UNIBIT-2 Multi-Step Drill Bit

This is the Unibit-2, multi-step drill bit (#2 - 1/8" to 1/2") which can drill holes from 1/8" to 1/2" dia. in 1/8" increments. Made from high speed steel; it is capable of cutting stainless steel. cast iron, brass, copper, aluminum, wood and a variety of plastics and synthetics.