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Precision Measuring

Precision Measuring

Insize Precision Measuring & Inspection Tools

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L. DeWitt McCarter is an authorized Insize distributor. This department carries the Insize 2026 US line — hand measuring tools, gage blocks and thread gages, and inspection equipment from microscopes to hardness and torque testers — each listed under its Insize part number. Have the part number? Type it in the search bar (for example 1108-150) to land on the exact tool. Otherwise, pick a category below.

Hand Measuring Tools

Gages, Standards & Layout

Inspection & Test Equipment

Optical & Video InspectionMicroscopes, magnifiers, profile projectors, vision measuring systems, borescopes and videoscopes.Surface Roughness & Coating ThicknessRoughness testers and probes, roughness specimens, coating thickness gages.Ultrasonic Thickness & Flaw DetectionUltrasonic thickness gages, transducers, couplant and flaw detector.Hardness Testers & Test BlocksLeeb, Rockwell, Brinell, Vickers and Shore testers, durometers and certified test blocks.Force & Material TestingForce gages, spring testers, tension gages, test stands, universal testing machines, metallography.Torque Wrenches & TestersDigital, dial and preset torque wrenches, torque testers, multipliers and heads.Weights & ScalesCalibration weights and weight sets (classes E2, F1, F2, M1), weighing, counting and crane scales.Testing & Specialty InstrumentsSound, light, moisture, temperature and humidity meters, tachometers, multimeters, gloss meters.

Setup, Data & Accessories

Choosing the right tool

If you need to…Start withShop
Check an outside diameter or length at the machineDigital caliper, then an outside micrometer for tighter toleranceCalipers · Micrometers
Measure a bore or internal diameterThree-point internal micrometer, dial bore gage or telescoping gageBore & Inside Measurement
Check runout, flatness or alignmentDial or digital indicator on a magnetic stand; dial test indicator for tight spotsIndicators & Test Indicators · Stands, Holders & Accessories
Accept or reject a threaded partGO and NO GO thread ring or plug gages; 3-wires for pitch diameterThread Gages & Thread Measurement
Calibrate or zero your own toolsGage blocks, setting rings, micrometer setting standards, pin gagesGage Blocks, Pins & Setting Standards
Inspect small features without contactMeasuring microscope, profile projector or vision measuring systemOptical & Video Inspection

Before you order

  • Insize ranges are listed in inch and metric; most digital tools switch between the two.
  • ISO 17025 calibration certificates are available as separate part numbers on the 1108 digital calipers, 1311 dial calipers and 2307 dial indicators (CAL suffix), and on request for those series. Gage blocks, thread gages, setting rings and other standards list a manufacturer inspection certificate where Insize supplies one.
  • Wireless (WL) tools need a receiver; data-output tools need the matching cable. Both are under Data Collection & Wireless.
Need help choosing or a volume price?
Send the Insize part number or the size you need to measure and the quantity — we reply the same day. (210) 494-1997 · [email protected]
Request a Quote
  • Insize 7262-150 precision measuring tool

    Insize 7262-150 – Outside Spring Caliper, 6IN

    Insize

    $19.57
    Insize 7262-150 – Outside Spring Ca
    7262-150
    SKU:
    7262-150
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.32 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7262-150
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640319662
    Package Weight:
    0.32 lb
    Package Length:
    11.42 in
    Package Width:
    4.8 in
    Package Height:
    1.18 in
    Feature 1:
    Made of carbon steel.
    Feature 2:
    Outside Spring Caliper
    Feature 3:
    6' Outside Diameter Range
    $19.57
  • Insize 7262-200 precision measuring tool

    Insize 7262-200 – Outside Spring Caliper, 8IN

    Insize

    $22.52
    Insize 7262-200 – Outside Spring Ca
    7262-200
    SKU:
    7262-200
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.37 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7262-200
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640319679
    Package Weight:
    0.37 lb
    Package Length:
    11.42 in
    Package Width:
    4.8 in
    Package Height:
    1.18 in
    Feature 1:
    Made of carbon steel.
    Feature 2:
    Outside Spring Caliper
    Feature 3:
    8' Diameter Range
    $22.52
  • Insize 7262-250 precision measuring tool

    Insize 7262-250 – Outside Spring Caliper, 10IN

    Insize

    $33.29
    Insize 7262-250 – Outside Spring Ca
    7262-250
    SKU:
    7262-250
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.51 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7262-250
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640319686
    Package Weight:
    0.51 lb
    Package Length:
    15.75 in
    Package Width:
    5.51 in
    Package Height:
    0.59 in
    Feature 1:
    Made of carbon steel.
    Feature 2:
    Outside Spring Caliper
    Feature 3:
    10' Diameter Range
    $33.29
  • Insize 7262-300 precision measuring tool

    Insize 7262-300 – Outside Spring Caliper, 12IN

    Insize

    $36.16
    Insize 7262-300 – Outside Spring Ca
    7262-300
    SKU:
    7262-300
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.56 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7262-300
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640319693
    Package Weight:
    0.56 lb
    Package Length:
    15.75 in
    Package Width:
    5.51 in
    Package Height:
    0.59 in
    Feature 1:
    Made of carbon steel.
    Feature 2:
    Outside Spring Caliper
    Feature 3:
    12' Diameter Range
    $36.16
  • Insize 7302-21 precision measuring tool

    Insize 7302-21 – Data Output Cable (Keyboard Format)

    Insize

    $163.40
    Insize 7302-21 – Data Output Cable
    7302-21
    SKU:
    7302-21
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-21
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640399060
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $163.40
  • Insize 7302-22 precision measuring tool

    Insize 7302-22 – Data Output Cable (Keyboard Format)

    Insize

    $155.80
    Insize 7302-22 – Data Output Cable
    7302-22
    SKU:
    7302-22
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-22
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640380853
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $155.80
  • Insize 7302-30 precision measuring tool

    Insize 7302-30 – Data Output Cable (Keyboard Format)

    Insize

    $163.40
    Insize 7302-30 – Data Output Cable
    7302-30
    SKU:
    7302-30
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-30
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6940561937053
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $163.40
  • Insize 7302-40M precision measuring tool

    Insize 7302-40M – Data Output Cable (Keyboard Format)

    Insize

    $169.10
    Insize 7302-40M – Data Output Cable
    7302-40M
    SKU:
    7302-40M
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-40M
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6928640379536
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $169.10
  • Insize 7302-50M precision measuring tool

    Insize 7302-50M – Data Output Cable (Keyboard Format)

    Insize

    $169.10
    Insize 7302-50M – Data Output Cable
    7302-50M
    SKU:
    7302-50M
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-50M
    Product Family:
    Calipers
    Supplier Category Code:
    A
    EAN:
    6928640379543
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $169.10
  • Insize 7302-60 precision measuring tool

    Insize 7302-60 – Data Output Cable (Keyboard Format)

    Insize

    $162.45
    Insize 7302-60 – Data Output Cable
    7302-60
    SKU:
    7302-60
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.44 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-60
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6940561936841
    Package Weight:
    0.44 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Recognized as HID keyboard device by computer, no need to install drivers and softwares
    Feature 2:
    Data can be transmitted to Excel, Word, txt and other files (press transmit button, which is recognized by the computer as keyboard input data and press enter, such as 1.3↙)
    Feature 3:
    Suitable for any softwares which can receive keyboard signal
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7324-HUB4, 7324-HUB7), extension cables (part no. 7325-ADD5, 7325-ADD10)
    $162.45
  • Insize 7302-SPC3A precision measuring tool

    Insize 7302-SPC3A – Data Output Cable for Digital Indicators and Protractors, for Digital Indicator and Digital Protractor

    Insize

    $169.10
    Insize 7302-SPC3A – Data Output Cab
    7302-SPC3A
    SKU:
    7302-SPC3A
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.35 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-SPC3A
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6928640300226
    Package Weight:
    0.35 lb
    Package Length:
    6.1 in
    Package Width:
    6.1 in
    Package Height:
    1.77 in
    Feature 1:
    Connect to USB port of computer.
    Feature 2:
    Without software, data can be input as keyboard signal to Excel, Word, etc.
    Feature 3:
    Press the red button or foot switch (optional) to input data.
    $169.10
  • Insize 7302-SPC3B precision measuring tool

    Insize 7302-SPC3B – Data Output Cable for Digital Indicators

    Insize

    $176.70
    Insize 7302-SPC3B – Data Output Cab
    7302-SPC3B
    SKU:
    7302-SPC3B
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.37 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7302-SPC3B
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6940561923360
    Package Weight:
    0.37 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    Feature 1:
    Data can be transferred as keyboard signal to Excel, Word, txt and other files
    Feature 2:
    Suitable for any softwares which can receive keyboard signal
    Feature 3:
    There is no need to install drivers and softwares
    Feature 4:
    Optional accessories: foot switch (part no.7304-2), hub (part no.7302-HUB, 7302-HUB7)
    $176.70
  • Insize 7304-2 precision measuring tool

    Insize 7304-2 – Data Transmission Foot Switch with Cable

    Insize

    $121.60
    Insize 7304-2 – Data Transmission F
    7304-2
    SKU:
    7304-2
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.45 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7304-2
    Product Family:
    Precision Measuring Tools
    Supplier Category Code:
    A
    EAN:
    6928640300158
    Package Weight:
    0.45 lb
    Package Length:
    6.1 in
    Package Width:
    6.1 in
    Package Height:
    1.77 in
    Feature 1:
    For data transmission.
    Feature 2:
    Applicable for 7302, 7305 series data cables
    $121.60
  • Insize 7305-C01 precision measuring tool

    Insize 7305-C01 – Data Output Cable, Length 100IN

    Insize

    $171.95
    Insize 7305-C01 – Data Output Cable
    7305-C01
    SKU:
    7305-C01
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.43 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7305-C01
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6928640395154
    Package Weight:
    0.43 lb
    Package Length:
    6.81 in
    Package Width:
    6.3 in
    Package Height:
    2.24 in
    Feature 1:
    For electronic indicators, electronic protractors
    $171.95
  • Insize 7305-G3350 – Data Output Cable (Serial Port Format)

    Insize 7305-G3350 – Data Output Cable (Serial Port Format)

    Insize

    $109.25
    Insize 7305-G3350 – Data Output Cab
    7305-G3350
    SKU:
    7305-G3350
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    2.20 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7305-G3350
    Product Family:
    Precision Measuring Tools
    Supplier Category Code:
    A
    EAN:
    6974029779695
    Package Weight:
    2.2 lb
    Package Length:
    6.3 in
    Package Width:
    6.3 in
    Package Height:
    1.97 in
    $109.25
  • Insize 7305-SPC1A precision measuring tool

    Insize 7305-SPC1A – Data Output Cable, Length 100IN

    Insize

    $247.95
    Insize 7305-SPC1A – Data Output Cab
    7305-SPC1A
    SKU:
    7305-SPC1A
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.49 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7305-SPC1A
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6928640300240
    Package Weight:
    0.49 lb
    Package Length:
    6.69 in
    Package Width:
    6.3 in
    Package Height:
    1.77 in
    Feature 1:
    For electronic indicators, electronic protractors
    $247.95
  • Insize 7306-40CM precision measuring tool

    Insize 7306-40CM – Controllable Transmitter

    Insize

    $2,117.55
    Insize 7306-40CM – Controllable Tra
    7306-40CM
    SKU:
    7306-40CM
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    147.00 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7306-40CM
    Product Family:
    Precision Measuring Tools
    Supplier Category Code:
    B
    Package Weight:
    147 lb
    Package Length:
    155 in
    Package Width:
    155 in
    Package Height:
    45 in
    $2,117.55
  • Insize 7306-CAP precision measuring tool

    Insize 7306-CAP – Protecting Cap

    Insize

    $7.61
    Insize 7306-CAP – Protecting Cap
    7306-CAP
    SKU:
    7306-CAP
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.02 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7306-CAP
    Product Family:
    Precision Measuring Tools
    Supplier Category Code:
    B
    EAN:
    6928640398216
    Package Weight:
    0.02 lb
    Package Length:
    3.35 in
    Package Width:
    2.76 in
    Package Height:
    0.79 in
    $7.61
  • Insize 7309-C01M precision measuring tool

    Insize 7309-C01M – Cable for Digital Indicator

    Insize

    $138.70
    Insize 7309-C01M – Cable for Digita
    7309-C01M
    SKU:
    7309-C01M
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.38 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7309-C01M
    Product Family:
    Indicators and Test Indicators
    Supplier Category Code:
    A
    EAN:
    6940561958218
    Package Weight:
    0.38 lb
    Package Length:
    6.89 in
    Package Width:
    6.5 in
    Package Height:
    2.17 in
    $138.70
  • Insize 7315-2 precision measuring tool

    Insize 7315-2 – Wireless Data Receiver, Multichannel (USB), Multichannel Receiver (USB Port)

    Insize

    $563.35
    Insize 7315-2 – Wireless Data Recei
    7315-2
    SKU:
    7315-2
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.40 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    7315-2
    Product Family:
    Gages and Reference Tools
    Supplier Category Code:
    A
    EAN:
    6940561908763
    Package Weight:
    0.4 lb
    Package Length:
    6.1 in
    Package Width:
    6.1 in
    Package Height:
    1.77 in
    Feature 1:
    Connected with maximum 16 transmitters, each of them has unique identification code
    Feature 2:
    Suitable for computers with windows system
    Feature 3:
    Text format virtual com port, converted to keyboard format with supplied software
    Feature 4:
    Supplied with EXCEL directional input software (please refer to the next page for details)
    Feature 5:
    Measurement data can be transmitted to excel, word, txt etc. and any software which receives keyboard signal
    $563.35