Universal holder for bits with a 1/4" hexagonal drive according to DIN ISO 1173-C 6.3. Socket made of stainless steel for extra corrosion protection. The robust snap ring holds the tool firmly in its holder. The extra strong permanent magnet holds the bit like a vice. 1/4" hexagonal, for screwdrivers with a DIN ISO 1173-F 6.3 drive.