Robert Bosch GmbH 13-piece metal drill bit set HSS-R, DIN 338 Part number: 2609255031 EAN code: 3165140407137 Diameter mm Shank 1.5 , 2.0 , 2.5 , 3.0 , 3.2 , 3.5 , 4.0 , 4.5 , 4.8 , 5.0 , 5.5 , 6.0 , 6.5 Cylindrical