California Proposition 65: This product contains a chemical known to the State of California to cause cancer. Flap Disc, Abrasive Type Coated, Abrasive Material Zirconia Alumina, Grade Medium, Backing Plate Material Aluminum, Connector Size 7/8 in, Connector Type Unthreaded Hole, Density Rating Standard, Flap Disc Type Type 29, Overall Diameter 4 1/2 in, Quick Change System Not Applicable, Series Tiger Aluminum Back, Backing Material Aluminum, Grit 60, Maximum Operating Speed 13, 000 RPM. This item has been restricted from sale in the following state (s): []