- Precision 23 hole 1-2-3 block set
- 0.0001 in squareness
- 0.0001 in parallelism
- +/- 0.0001 height accuracy in paris
- Hardness HRC 56-60
- 5 piece 3/8 in - 16 socket head cap screws
- Plastic case
Precision 23 hole 1-2-3 block set
0.0001 in squareness
0.0001 in parallelism
+/- 0.0001 height accuracy in paris
Hardness HRC 56-60
5 piece 3/8 in - 16 socket head cap screws
Plastic case