29 pc Black and Gold Metal Index Drill Bit Set, 1 16 in to 1 2 in Cut dia ORS NASCO [Nom] 5 in Grit 60 [Nom] 5 in Grit 60 Hardness Grade S Hazmat NO Jan San Catalog NO Prop 65 YES Quantity 25 per carton Quarterly Flier NO Special Order NO Speed [Max] 12300 rpm Stock Status In Stock Thickness [Nom] 0 Increased number of fiberglass strands means less stretch and better accuracy Blades are made with PVC Oxide treatment resists corrosion helps prevent bit from rusting Turbomax tip starts up to 10x faster Flatted shanks above 11 64" eliminates slippage in drill chuck Reduced shank above 3 8" allows the use of larger drill bits in a 3 8" chuck Rubber overmolded case protects kit if dropped