Precision Measurement Tools

Screw these hardened and polished blocks together to make your own gages

Features:

• 4 pair 6” long which includes:
• 1 pair 3/16 x 1” with 5/16” holes
• 1 pair 3/16 x 1 1/4” with 3/8” holes
• 1 pair 3/16 x 1 1/2” with 7/16 holes
• 1 pair 3/16 x 1 3/4” with 1/2 holes
• ±0.0003" in parallelism on 2 sides, top and bottom
• ±0.001” allowance on dimensions
• HRC 55-62 on 2 sides, top and bottom