For angle set-up in tooling, production and inspection. Hardness HRC55. 12 Pieces in SetAngle Degrees: 1/4", 1/2", 1,2,3,4,5,10,15,20,25,30Made of tool steel
Hardened to HRC60±2. V groove for cylinders. Parallelism and squareness between A, B, C, D, E, F, G and H: 236?in. Parallelism and squareness of V groove to A, B, C, D, E, F, G and H: 236?in.