Allstar Drill Bit Kit, Stepped, 1/4" Shank, Steel, Titanium Coated, 2 Bits (3/16" - 7/8") / (1/4" - 1-3/8")

Drill multiple size holes with one bit. Drill sheet metal and aluminum without deforming or distorting. Bits start on contact, deburr and chamfer while drilling and do not require a center punch. Titanium nitride coated high speed steel. 1/4" shank.