1 PAIR 1 2 3 Metal Blocks Ultra Precision ONE Hole Milling Drilling Machining 2PC

Brand New 2 PC 1-2-3 metal blocks with ONE HOLES Size: 1 x 2 x 3" Size within +/- .0002" Flatness and parallelism within .0002" Squareness on all sides is 0.0003" per inch Pairs are matched to atolerance of 0.0002" 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 Unit weight: 3.40 lb (total for 2 pc) Quantity: 1 pack Small Freight Item