Jam- performance features a dual-flute design to provide greater speed and control

Optimized for cordless drills in high speed

Rapid Strike tip creates fast, accurate starts and generates less heat

Optimized geometry with black oxide coating to cut faster and produce less heat

Laser-engraved reference marks are visible while drilling

3-flat Secure-Grip shanks reduce bit slippage in the chuck

Includes 1 each: step drill bit 1/8" - 1/2" by 1/32", #2 step drill bit 3/16" - 1/2" by 1/16", #4 step drill bit 3/16" - 7/8" by 1/16", carrying case