Bluefire® Type 27 Depressed Center Wheel, 4 1 2 in x 1 8 x 5 8 11, 24 Grit, Zirconia Alumina no checkout EPA HAPS and SARA 313 EPA HAPS and SARA 313 concerns in the U or shaft Dead blow function eliminates bounceback when striking hardened surfaces Soft face helps prevent marring Steel reinforced handle provides strength and resists breaking on overstrike [Nom] 4 1 2 in Grit 24 Hazmat NO Jan San Catalog NO Prop 65 NO Quantity 10 per pack Quarterly Flier NO Special Order NO Speed [Max] 13580 RPM Stock Status In Stock Style Free Cut Thickness [Nom] 1 8 in Tool Shape Type 27 Type Resin Bonded Abrasive Disc Used With Right Angle Grinders and Small Angle Grinder Welding Catalog NO Wt Up to 20 percent increase in performance and life over our former zirconia alumina wheels