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
Grooved hex shank prevents slipping in drill chuck or bit extension
Fits all standard 1/4-in quick change chucks
IRWIN Pro Set Case is made of durable molded ABS resin, and holds up to anything the jobsite throws at it
Case includes a full-length metal hinge pin for maximum durability and long life, and bit identification is simple with easy-to-read size markings