Irwin Speedbor 13 Piece 1/4-Inch to 1-Inch Spade Drill Bits with Rack

Spade Bits Features:
Last twice as long*
Cut twice as fast*
Chamfered Cutting Edges for increased durability and longer life
Optimized Point Tip to help minimize splintering and control speed
Reinforced Shank for fast speeds and aggressive cut
Patented Blue-GrooveTM design for fast chip removal
Impact Accessible for use with Impact Drivers