Irwin 3-Piece Speedbor Drill Bit Set

3 Piece, Speedbor Max Drill Bit Set, Includes: 5/8", 3/4" and 1", Standard Length, Tri-Flute Design For Faster Chip Ejection, Cutting Spurs Have 3 Cutting Edges For Added Durability, Full Screw Tip Allows Bit To Self Feed, Grooved Hex Shank Prevents Slipping In Drill Chuck Or Bit Extension, Fits All Standard 1/4" Quick Change Chucks.

• The Fastest Speedbor ever
• Tri-Flute design for faster chip ejection
• Cutting spurs have 3 cutting edges for added durability
• Full screw tip allows bit to self feed