Tri-Blocks, 3in. L, 2in. W, 1in. H, 1, PR

Tri-Block Pair, Length 3 in, Width 2 in, Height 1 in, Number of Holes 1, Number of Blocks Matched Pair, Included Certification Not Applicable, Long Form Calibration Certificate No, Size 1 in x 2 in x 3 in, Case Type Wooden Case, Hole Style 5/16 In.-18 Tapped, Includes Case Yes, Material Steel, Squareness 0.0001 in per 1 in, Parallelism 200 micron in, Tolerance +/-0.0002 in, With Holes Yes, 1 Pair