Bit set, HSS-G/METAL, 18PC . Metal Drill Bit particulary flexible and resistant to breakage. For use with most metals, both ferrous and non-ferrous. Longlife and precision jobber drill bits. Shank equal to drill bit diameter and rolled spiral flute with ground point, vapour-plated. Two-cutter, cylindrical, with two flutes. Kit Consist: 1x34, 1.5x40, 2x49, 2.5x57, 3x61, 3.5x70, 4x75, 4.5x80, 5x86, 5.5x93, 6x93, 7x109, 8x117, 9x125 , 10x133mm