GRAPHITE HSS Metal Drill Bits, 1.0 mm, 3-Piece 54T980 is a set of 3 drill bits designed for working with metal. Each drill bit has a diameter of 1 mm, a total length of 34 mm, and a working length of 12 mm. The GRAPHITE drill bit has a 118-degree point angle. The tools comply with the DIN 338 standard and are suitable for amateur applications.