[1 5pair1-2-3]
[1 1pair1-2-3]
Dimensions- 1" x 2" x 3", 2.1 lbs. weightHeat treated and case hardened to HRC 57-62Made of precision-grade tool steel hardened and ground on all 6 sides of blockAccuracy with squareness on all sides within 0.0002" per inch.23 holes includes (5) 3/8-16 threaded holes for clamping and (18) untapped holesCross drilling design allows for efficient use of lower weight with maximum strength