2-4-6 Blocks Matched Pair (2 Each), Hardened Steel RC 55-62, 23 Holes (2x4x6 Inches) 246 Precision Ground Machinist Set Up Blocks
- Includes matched pair 2-4-6 blocks includes 2 blocks.
- Made of precision-grade tool steel hardened and precise ground on all 6 sides of block, heat treated and case hardened to HRC 57-62.
- Accuracy with squareness on all sides within .0002 per inch.
- Cross drilling design gives minimum weight and maximum strength.
- 23 holes consists of 5 tapped holes that are 5/8-11 for clamping and Holes - 18 untapped holes.