6pcs Step Bits.

6-piece step drill set covering multiple hole sizes in one kit High-speed steel construction for strength and long service life Titanium-coated finish for improved wear resistance and smoother drilling Multiple step levels allow precise, clean holes of different diameters Sharp cutting edges for fast, accurate drilling Ideal for thin metal, aluminum, plastic, wood and PVC Reduces need for multiple drill bits — one bit handles many sizes Anti-slip shank for secure grip in drill chuck Produces clean, burr-free holes Supplied in a compact storage case for easy organization and transport