HFS R 1 Pair 123 Blocks 1-2-3 Ultra Precision _0002 Hardened Without Holes

Product description Size within +/- .0003" Flatness and parallelism within .0002" Accuracy and squareness on all sides within .0001"-.0002" Pairs are matched to a tolerance of 0.0002" Product application Used for set-up. layout and inspection jobs Product features Has no holes Made of hardened tool steel and precision ground on all six sides Cross drilling design allows efficient use of lower weight with maximum strength Heat treat and hardness 56 to 60 RC 2 pieces per set Weight: 2.1 Lbs