Blue-Groove point and cutting edge for faster chip removal

Double cutting spurs scribe the outside of the hole reducing breakout

10% larger shank for added durability

Grooved hex shank prevents slipping in drill chuck or bit extension

Includes Pro Set case made of molded ABS resin with full-length metal hinge pin

Bit identification is simple with easy-to-read size markings

4" shank length, 1/4" shank size

Includes sizes: 1/2", 3/4", and 1"