Magnetic bit holder, 1/4'', length 100 mm. Supplied = assembled. Conforms to = DIN 7427. Product type = bit holders. Recorded in inches = 1/4 inch. DIN 7427. Magnetic. For 1/4'' bits with external hexagonal drive in accordance with DIN 3126/ISO 1173 - C 6.3. For manual activities, electric screwdrivers and drills. Ideally suited for fittings in trade and industry. Special tool steel.