Professional tool for commercial or occasional use Manufactured from chrome vanadium steel for strength and durability Handy tool for mechanics / electricians / plumbers / joiners and for all DIYer around the home or workplace Perfect for access into hard to reach awkward areas. Magnetic tip so the bit wont fall off the end when in those hard to reach areas Can be used in any bit holder or even cordless / electric drill. This will fit any standard size screwdriver bit any make any model. Makes changing bits quick and easy. 1/4" hex shank. Set Includes;: 1 x magnetic bit holder total length 60mm 1 x magnetic bit holder total length 150mm