With the 26-piece International Tools eco pro metal drill bit set, you achieve precise holes in unalloyed steel, alloyed steel, and other metals. Featuring a complete range from 1 to 13 mm in 0.5 mm increments, you always have the exact diameter ready for any workshop or maintenance task. These fully ground hss drill bits conform to din 338 and feature a 118° point angle with type n fluting for reliable tool life and efficient swarf evacuation. Fitted with a standard cylindrical shank for handheld drills and drill presses, the bits stay perfectly organized in a durable plastic storage case.