BL-25-50-75 Pair of Precision Steel 25mm x 50mm x 75mm Blocks
Model #: BL-25-50-75
- Metric version of '1-2-3' blocks
- Cross-drilling design for extra strength and minimum weight.
- Five 3/8-16 tapped holes are provided for clamping.
- Precision ground. Case hardened.
Heat treated above 48 Rockwell "C".
.0001 to .0003 over allowance for nominal lapping.
Squareness of all sides is within .0002 per inch.