Tri-Block, Length 3 in, Width 2 in, Height 1 in, Number of Holes 0, Number of Blocks 1, Included Certification Not Applicable, Long Form Calibration Certificate No, Size 1 in x 2 in x 3 in, Hole Style Not Applicable, Includes Case No, Material Steel, Squareness 0.0002 in, Parallelism 200 micron in, Tolerance +/- 0.0001 in, With Holes No. This item has been restricted from sale in the following state (s): []