step drill bit kit features the #1 1/8 - 1/2", #4 3/16 - 7/8", and #9 7/8" &1-1/8" step bits with laser engraving for a clear stop on size identification.
The Rapid Strike Tip provides fast and accurate starts
A dual spiral flute combined with the Rapid Strike Tip delivers up to 2x faster holes than competitive Impact Step Bits