Toolmakers Block 1 x 2 x 3" with 31 Holes

Toolmakers Block 1 x 2 x 3" with 31 Holes
ebuy number: 25610
Region: UK

Manufactured from tool steel, hardened to 58-60 Rc. Supplied in precision ground matched pairs. Squareness 0.0002". Size accuracy +- 0.0005". Matched accuracy +- 0.0002". Surface finish 6-10 microinches.
Supplied in fitted case
Five tapped holes 38" x 16