findmall High Precision 1-2-3 Blocks 23 Holes .0002" Machinist 123 Jig 5 Matched Pair

Product Dimensions: 1" x 2" x 3", 2.1 lbs. weight (each) 23 holes consists of 5 tapped holes that are 3/8-16 for clamping and 18 untapped holes Accuracy with squareness on all sides within .0002" per inch Hardened and precision Ground on all 6 sides of each block Cross drilling design gives minimum weight and maximum strength