Wera '899/4/1 SB' Universal Bit Holder - 1/4'' x 152mm

This 899/4/1 SB Universal Bit Holder is for the take-up of bits with 1/14" hexagon drive as per DIN ISO 1173-C 6.3. The retaining ring is there to ensure that the tool fits securely in the holder, and the strong permanent magnet holds them in place.