A Professional Quality Titanium Coated M2 HSS 13/16" - 1 3/8" 9-Step Drill Bit * High speed, titanium nitride coated steel * Stepped in 1/16" increments * Fluted design for fast, smooth cutting * Automatically deburrs holes as you drill * Step sizes: 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", 1 3/16", 1 1/4", 1 5/16", 1 3/8" * Beveled Shank