Magnetic bit holder for use in power drills and driver handles. Magnetic socket holds most common ¼” hex screwdriver bits securely. Internal circlip for extra grip, also compatible with non-magnetic stainless steel screwdriver bits. Length: 73mm. 1/4 inch hex drive robust shaft. Sturdy bit holder cold forged from stainless steel. Holder houses a powerful permanent magnet to hold screwdriver bits securely in place. Internal circlip for additional grip.