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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 3290-203 precision measuring tool

    Insize 3290-203 – V-Anvil Micrometer, 1.4-2IN

    Insize

    $629.85
    Insize 3290-203 – V-Anvil Micromete
    3290-203
    SKU:
    3290-203
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.76 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-203
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356032
    Package Weight:
    1.76 lb
    Package Length:
    10.04 in
    Package Width:
    5.83 in
    Package Height:
    1.69 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $629.85
  • Insize 3290-263 precision measuring tool

    Insize 3290-263 – V-Anvil Micrometer, 2-2.6IN

    Insize

    $677.35
    Insize 3290-263 – V-Anvil Micromete
    3290-263
    SKU:
    3290-263
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    2.16 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-263
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356049
    Package Weight:
    2.16 lb
    Package Length:
    10.04 in
    Package Width:
    5.83 in
    Package Height:
    1.69 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $677.35
  • Insize 3290-265 precision measuring tool

    Insize 3290-265 – V-Anvil Micrometer, 1.8-2.6IN

    Insize

    $629.85
    Insize 3290-265 – V-Anvil Micromete
    3290-265
    SKU:
    3290-265
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.91 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-265
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356087
    Package Weight:
    1.91 lb
    Package Length:
    10.04 in
    Package Width:
    5.83 in
    Package Height:
    1.69 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $629.85
  • Insize 3290-267 precision measuring tool

    Insize 3290-267 – V-Anvil Micrometer, 7 Flutes, 1.8-2.6IN

    Insize

    $571.90
    Insize 3290-267 – V-Anvil Micromete
    3290-267
    SKU:
    3290-267
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.92 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-267
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328053
    Package Weight:
    1.92 lb
    Package Length:
    10.04 in
    Package Width:
    5.83 in
    Package Height:
    1.69 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $571.90
  • Insize 3290-323 precision measuring tool

    Insize 3290-323 – V-Anvil Micrometer, 2.6-3.2IN

    Insize

    $734.35
    Insize 3290-323 – V-Anvil Micromete
    3290-323
    SKU:
    3290-323
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    3.10 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-323
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356056
    Package Weight:
    3.1 lb
    Package Length:
    12.09 in
    Package Width:
    6.97 in
    Package Height:
    1.73 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $734.35
  • Insize 3290-345 precision measuring tool

    Insize 3290-345 – V-Anvil Micrometer, 2.6-3.4IN

    Insize

    $737.20
    Insize 3290-345 – V-Anvil Micromete
    3290-345
    SKU:
    3290-345
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    2.98 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-345
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356094
    Package Weight:
    2.98 lb
    Package Length:
    12.09 in
    Package Width:
    6.97 in
    Package Height:
    1.73 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $737.20
  • Insize 3290-347 precision measuring tool

    Insize 3290-347 – V-Anvil Micrometer, 7 Flutes, 2.6-3.4IN

    Insize

    $668.80
    Insize 3290-347 – V-Anvil Micromete
    3290-347
    SKU:
    3290-347
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    3.53 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-347
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640377990
    Package Weight:
    3.53 lb
    Package Length:
    13.31 in
    Package Width:
    7.91 in
    Package Height:
    1.73 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $668.80
  • Insize 3290-383 precision measuring tool

    Insize 3290-383 – V-Anvil Micrometer, 3.2-3.8IN

    Insize

    $791.35
    Insize 3290-383 – V-Anvil Micromete
    3290-383
    SKU:
    3290-383
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    4.12 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3290-383
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640356063
    Package Weight:
    4.12 lb
    Package Length:
    13.31 in
    Package Width:
    7.91 in
    Package Height:
    1.73 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure the outside diameter of cutting tools (such as taps, reamers, end mills) with 3 or 5 flutes.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards
    $791.35
  • Insize 3292-1 precision measuring tool

    Insize 3292-1 – Hub Micrometer, 0-1IN

    Insize

    $151.05
    Insize 3292-1 – Hub Micrometer, 0-1
    3292-1
    SKU:
    3292-1
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.63 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3292-1
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328404
    Package Weight:
    0.63 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure hub thickness and shoulder inside a bore.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards (except 0-1').
    $151.05
  • Insize 3292-2 precision measuring tool

    Insize 3292-2 – Hub Micrometer, 1-2IN

    Insize

    $175.75
    Insize 3292-2 – Hub Micrometer, 1-2
    3292-2
    SKU:
    3292-2
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.83 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3292-2
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328411
    Package Weight:
    0.83 lb
    Package Length:
    7.72 in
    Package Width:
    4.33 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure hub thickness and shoulder inside a bore.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards (except 0-1').
    $175.75
  • Insize 3292-3 precision measuring tool

    Insize 3292-3 – Hub Micrometer, 2-3IN

    Insize

    $202.35
    Insize 3292-3 – Hub Micrometer, 2-3
    3292-3
    SKU:
    3292-3
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.89 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3292-3
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328428
    Package Weight:
    0.89 lb
    Package Length:
    7.72 in
    Package Width:
    4.33 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure hub thickness and shoulder inside a bore.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards (except 0-1').
    $202.35
  • Insize 3292-4 precision measuring tool

    Insize 3292-4 – Hub Micrometer, 3-4IN

    Insize

    $231.80
    Insize 3292-4 – Hub Micrometer, 3-4
    3292-4
    SKU:
    3292-4
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.23 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3292-4
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328435
    Package Weight:
    1.23 lb
    Package Length:
    12.28 in
    Package Width:
    4.8 in
    Package Height:
    1.3 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure hub thickness and shoulder inside a bore.
    Feature 3:
    Ratchet stop.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Supplied with setting standards (except 0-1').
    $231.80
  • Insize 3293-061 precision measuring tool

    Insize 3293-061 – Can Seam Micrometer, for Steel Cans, 0-.5IN

    Insize

    $182.40
    Insize 3293-061 – Can Seam Micromet
    3293-061
    SKU:
    3293-061
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.46 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3293-061
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328497
    Package Weight:
    0.46 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .001'.
    Feature 2:
    Measure the width, height and depth of can seams.
    $182.40
  • Insize 3293-062 precision measuring tool

    Insize 3293-062 – Can Seam Micrometer, for Aluminum Cans, 0-.5IN

    Insize

    $182.40
    Insize 3293-062 – Can Seam Micromet
    3293-062
    SKU:
    3293-062
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.46 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3293-062
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328503
    Package Weight:
    0.46 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .001'.
    Feature 2:
    Measure the width, height and depth of can seams.
    $182.40
  • Insize 3293-063 precision measuring tool

    Insize 3293-063 – Can Seam Micrometer, for Sprayer Cans, 0-.5IN

    Insize

    $182.40
    Insize 3293-063 – Can Seam Micromet
    3293-063
    SKU:
    3293-063
    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:
    3293-063
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328510
    Package Weight:
    0.44 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .001'.
    Feature 2:
    Measure the width, height and depth of can seams.
    $182.40
  • Insize 3294-1 precision measuring tool

    Insize 3294-1 – Non-Rotating Spindle Disk Micrometer, 0-1IN

    Insize

    $335.35
    Insize 3294-1 – Non-Rotating Spindl
    3294-1
    SKU:
    3294-1
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    0.80 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3294-1
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328152
    Package Weight:
    0.8 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure root tangent length of gear.
    Feature 3:
    Non-rotating spindle.
    Feature 4:
    Ratchet stop.
    Feature 5:
    Supplied with setting standards
    $335.35
  • Insize 3294-2 precision measuring tool

    Insize 3294-2 – Non-Rotating Spindle Disk Micrometer, 1-2IN

    Insize

    $358.15
    Insize 3294-2 – Non-Rotating Spindl
    3294-2
    SKU:
    3294-2
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.12 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3294-2
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328169
    Package Weight:
    1.12 lb
    Package Length:
    6.34 in
    Package Width:
    3.7 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure root tangent length of gear.
    Feature 3:
    Non-rotating spindle.
    Feature 4:
    Ratchet stop.
    Feature 5:
    Supplied with setting standards
    $358.15
  • Insize 3294-3 precision measuring tool

    Insize 3294-3 – Non-Rotating Spindle Disk Micrometer, 2-3IN

    Insize

    $380.95
    Insize 3294-3 – Non-Rotating Spindl
    3294-3
    SKU:
    3294-3
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.40 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3294-3
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640328176
    Package Weight:
    1.4 lb
    Package Length:
    8.66 in
    Package Width:
    4.8 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure root tangent length of gear.
    Feature 3:
    Non-rotating spindle.
    Feature 4:
    Ratchet stop.
    Feature 5:
    Supplied with setting standards
    $380.95
  • Insize 3294-4 precision measuring tool

    Insize 3294-4 – Non-Rotating Spindle Disk Micrometer, 3-4IN

    Insize

    $457.90
    Insize 3294-4 – Non-Rotating Spindl
    3294-4
    SKU:
    3294-4
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.95 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3294-4
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640375514
    Package Weight:
    1.95 lb
    Package Length:
    9.88 in
    Package Width:
    5.67 in
    Package Height:
    1.26 in
    Feature 1:
    Graduation .0001'.
    Feature 2:
    Measure root tangent length of gear.
    Feature 3:
    Non-rotating spindle.
    Feature 4:
    Ratchet stop.
    Feature 5:
    Supplied with setting standards
    $457.90
  • Insize 3332-1 precision measuring tool

    Insize 3332-1 – Indicating Micrometer, 0-1IN

    Insize

    $782.80
    Insize 3332-1 – Indicating Micromet
    3332-1
    SKU:
    3332-1
    Availability:
    Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
    Weight:
    1.57 LBS
    Brand:
    Insize
    Manufacturer Part Number:
    3332-1
    Product Family:
    Micrometers
    Supplier Category Code:
    A
    EAN:
    6928640327537
    Package Weight:
    1.57 lb
    Package Length:
    7.68 in
    Package Width:
    4.61 in
    Package Height:
    1.69 in
    Feature 1:
    Micrometer head graduation .0001'.
    Feature 2:
    Micrometer head accuracy .00015'.
    Feature 3:
    Dial indicator: range ±.0015', graduation .00005', accuracy .00005'.
    Feature 4:
    Carbide measuring faces.
    Feature 5:
    Optional accessory: gage blocks grade 0(4112-A series), for zero setting
    $782.80