Do it Best Impact-Ready Titanium Hex Shank Drill Bit offers up to 3x longer life with a titanium coating that reduces heat build-up and keeps the bits sharper. Designed with a 135-degree split point tip for a precision start with no walking and a stronger core to resist breaking, this set ensures fast, accurate drilling in a variety of materials. 1/4" shank for easy use with drills and impact drivers.