. Universal holder for attaching bits with 1/4 external hexagon connection according to DIN ISO 1173-C 6.3. Stainless steel bushing provides special corrosion protection. The locking ring guarantees the optimal positioning of the tool in the holder. The strong permanent magnet holds the bit firmly. 1/4 hexagon, suitable for screwdrivers with connection according to DIN ISO 1173-F 6.3.