California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Shaft Collar, System of Measurement Metric, Shaft Locking Type - Couplings 2 Piece Clamp, Bore Type - Collars Plain Bore, Bore Dia. 32 mm, Material - Collars 303 Stainless Steel, Outside Dia. 54 mm, Width 15 mm, Clearance Dia. 59.2 mm, Screw Size M6, Screw Material Stainless Steel, Operating Temp. Range -40 Degrees to 350 Degrees F. This item has been restricted from sale in the following state (s): []