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Our part # ALL-55502
This pair of 1-2-3 blocks comes in plastic molded case for easy storage
23 holes Includes (5) 3/8-16 threaded holes for clamping and (18) untapped holes
Heat treated and case hardened to HRC 57-62
Made of precision-grade tool steel hardened and ground on all 6 sides of block
Accuracy and squareness on all sides within 0.0001"-0.0002"
Cross drilling design allows for efficient use of lower weight with maximum strength
Dimensions- 1" x 2" x 3"
Made of precision-grade tool steel hardened and ground on all 6 sides of block. Accuracy and squareness on all sides within .0001"-.0002". Cross drilling design allows for efficient use of lower weight with maximum strength. Dimensions- 1" x 2" x 3". Weighs 2.5 lbs.