Tri-Blocks, 3in. L, 2in. W, 1in. H, 0, Suburban, Mfr#: PB-123

Tri-Block, Length 3 in, Width 2 in, Height 1 in, Number of Holes 0, Number of Blocks Single Block, Included Certification None, Long Form Calibration Certificate No, Size 1 in x 2 in x 3 in, Hole Style None, Includes Case No, Material Steel, Squareness 0.0002 in, Parallelism 200 micron in, Tolerance +/-0.0001 in, With Holes No