1-2-3 BLOCKS SET (1 HOLE)

• For precision grinding, layout, etc.

• Drilled Hole Size: .500 ~.501

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

• Hardened to RC 58-60 and ground to surface finish from 6 to 10 micron inches.

• Dimensions: 1 x 2 x 3"

• MATCHED PAIRS AND SOLD AS PAIR