889/4/1 Rapidaptor Universal Bit Holder, 1/4", x 75 mmRapidaptor universal holder for bits with 1/4", external hexagon drive as per DIN ISO 1173-C 6.3 and E 6.3 (ISO 1173). The Rapidaptor allows mounting the bits without using the sleeve. The bit is removed by simply pushing it forward - for lightning-fast bit changes, even with just one hand. The strong permanent magnet holds the bits firmly. 1/4", hexagonal, suitable for screwdriver machines with mounting as per DIN ISO 1173-F 6.3.