ITEM NAME:1/4" 60mm Hex Shank Magnetic Quick Release Screwdriver Bit Drill Holder Tools Z #aucsearchbutton #aucsearchbutton:hover { cursor: pointer;.Extend all kinds of screwdriver bits, screwdriver head conversion uses. Suitable for electric drill, screwdriver, wind batch transfer using to play the role of releasing bit holder. Length: 60mm. Suitable for drill, screwdriver, batch head and other to transfer.