Draper Quick Release Magnetic Bit Holder - 150mm 1/4" (F) x 1/4" (M)Magnetic bit holder, designed for use in power drills and driver handles. The (male hexagon) shaft is manufactured from hardened and tempered carbon steel. The bit holder (female hexagon) is cold forged from stainless steel. Fitted with an easy to operate ‘Quick release’ collet, which allows the bits to be expelled quickly and efficiently. A universally essential tool for professional and DIY toolboxes.PRODUCT DIMENSION:Height (mm) :222Width (mm) :63Depth (mm) :22