1/4'' bit and drive socket set, 31 pcs, form C 6.35. Supplied = assembled. Shape = style C 6.35. Conforms to = DIN 3126, ISO 1173 - C 6.3. Weight = 0.67 kg. Product type = screwdrivers. Ideal assortment of tools for sanitary/heating/air conditioning. With external hex drive in accordance with DIN 3126/ISO 1173 - C 6.3. For manual use and electric drills. Ideally suited for fittings in trade and industry. Includes magnetic drive socket and stud screwdriver for screwing and unscrewing hexagonal bolts and stud bolts without damaging them. Well organised arrangement of the most frequently used 1/4'' bits and drive sockets. Sandblasted. Special tool steel. In a sturdy plastic case.