Hardened and precision ground on all 6 sides of each block.
Accuracy with squareness on all sides within .0001" per inch.
Sold in a matched pair.
23 holes consist of 5 tapped holes that are 3/8"-16 thread for clamping and 18 untapped holes.
Shipping Weight: 12 lbs
Many metalworking products contain metals that are included in
the latest Prop 65 warning. Exposure to the elements can be
harmful. May cause cancer and reproductive harm.
