Klein Tools 25961 Step Drill Bit, 7/8 to 1-1/8-Inch, Spiral Double-Fluted, Cut Thin Metal, Plastic, Aluminum, Wood, 1/4-Inch Hex Shank, VACO

2 SPIRAL FLUTES remove chips and help pull the bit through material for faster cutting | TITANIUM NITRIDE COATING to help dissipate heat for longer bit life | 1/4-INCH HEX SHANK for firm, positive grip in standard drills and impact drivers | SPLIT POINT TIP starts hole cuts quickly and prevents drifting when pressure is added | LASER-ETCHED HOLE SIZE MARKINGS starting at 1/4-Inch for quick size identification | MADE FOR STEEL (up to 16 gauge), wood, plastic, and aluminum | 2 HOLE SIZES from 7/8 to 1-1/8-Inch