1-2-3 PREC. BLOCK SET W/ SCREWS & KEY (23 HOLES)

• Hardened and precision ground on all 6 sides of each block.


• Accuracy with Squareness on all sides within .0001 per inch.


• 23 holes consist of 5 (3/8"-16) tapped holes for clamping and 18 untapped holes drilled.


• Supplied with fitted case.


• MATCHED PAIRS