Wera 05071100001 3888/4/1 1/4'' Hex K Rapidaptor Universal Stainless Bit Holder is for the take-up of bits with " hexagon head drive as per DIN ISO 1173-C 6.3 (ISO 1173). Stainless design to prevent extraneous rust and comes with Rapidaptor technology, which allows bits to be attached without any need to actuate the sleeve.
The removal of the bit is simple, just by pushing the sleeve forward - for rapid bit change with just one hand. Wera 3888/4/1 1/4'' Hex K Rapidaptor Universal Stainless Bit Holders are suitable for power screwdrivers with take-up as per DIN ISO 1173-F 6.3.