100% Brand New.Material: HSS steelColor: GoldenSurface treatment : Titanium platingSix step bit: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"Nine step bit: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"Thirteen step bit: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"Ideal for using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc. Set of 3 for jobs of all sizes.2 fluted edges for faster, smoother cutting.3 sided shanks prevent slippage when in chuck.Made from high quality HSS steel.Package Content:1 x 3Pcs HSS Drill Bit Set