Irwin 15-Piece Turbomax Drill Bit Set

15-Piece Turbomax Turbo Point Drill Bit Set. Revolutionary Tip Design Stays Sharper Longer & Drills Up To 28% Faster. 3 Flatted Shank Design Provides Better Chuck Grip & Reduces Slippage. Ideal For Use In Keyless Chucks, Bit Is Constructed Of M-2 High Speed Steel For Strength. Heat Resistance & Wear Resistance. Durable Rubber-Sided Case For Added Impact Resistance. Set Includes (2) 1/16 In., (1) 5/64 In., (2) 3/32 In., (1) 7/64 In., (2) 1/8 In., (1) 9/64 In., (1) 5/32 In., (1) 3/16 In., (1) 7/32 In., (1) 1/4 In., (1) 5/16 In. & (1) 3/8 In. Turbo Point Bits.