The GRAPHITE 4.0 mm Hex Metal Drill Bit, 2-Piece Set 54T705 is a set of two drill bits for working with metal. This drill bit has a 4 mm diameter and dimensions – a total length of 95 mm and a working length of 43 mm. It complies with the DIN 338 standard and has a point angle of 118 degrees. GRAPHITE drill bits are suitable for both amateur and professional use.