California Proposition 65: This product contains a chemical known to the State of California to cause cancer.
California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Tri-Block Pair, Length 3 in, Width 2 in, Height 1 in, Number of Holes 23, Number of Blocks 2, Included Certification Not Applicable, Long Form Calibration Certificate No, Case Type Plastic Case, Hardness HRC 55-60, Hole Style 5 in Tapped and 18 in Untapped, Includes Plastic Case, Includes Case Yes, Material Steel, Squareness 0.0003 in, Parallelism +/- 0.0002 in, Tolerance +/- 0.0003 in, With Holes Yes. This item has been restricted from sale in the following state (s): []