(1) 1/8"-1/2", (1) 3/16"-7/8", (1) 3/16"-1/2"

Cordless step drill bit design made for smooth drilling in cordless drills using high-speed and low-speed mode, with 2X cutting edges and optimized angles on the bit steps

Hex shank impact-ready step drill bit optimized for impact drivers, and the bits are drill/driver compatible

2X cutting edges provides 2X faster cutting through tough material, with two sharp edges

2X longer life and clean holes designed for burr-free holes, these bits help manage heat for longer bit life

2X holes per charge features efficient operation to boost user productivity

Wide range of hole sizes featured in set designed for various hole diameters, for many common applications, various sizes of conduit and even knockout holes

Balanced double flute helps to eliminates chatter and vibration

Swiss made Swiss engineered and manufactured step bits offering premium quality and performance