IBX1641 Features: * Self centering tip for clean, fast starts * Jet Point Tip for clean entry and faster drilling and stays sharp * Drills more holes and is faster than other leading drill bits * High Speed steel features a black body and gold flute * Turbomax HSS 3/8"" Reduced Shank Drill Bit 29/64"" Dimensions: * Reduced shank 3/8"" to fit all 3/8"" drills Warranty: * Lifetime warranty does not cover abuse