1/4 Inch Hex Shank Quick Relse Screwdriver Drill Bit Holder (black knurling 100MM)

Made of lightweight carbon steel and steel,compact and sy to carry Extend all kinds of screwdriver bits, screwdriver hd conversion uses This connecting rod is made of carbon steel pipe which can disperse the magnetism, so ld to the suction is wk. If need to absorb screw fastener, recommended to buy screwdriver bit with magnetic Ftures: Made of lightweight carbon steel and steel, compact and sy to carry. Extend all kinds of screwdriver bits, screwdriver hd conversion uses. The  1/4-inch quick hex handle and 1/4 inch hex socket are suitable for most electric screwdrivers and drills. Small size allows you to extend your bit to any location to complete any work and can accommodate many tool kits. This connecting rod is made of carbon steel pipe which can disperse the magnetism, so ld to the suction is wk. If need to absorb screw fastener, recommended to buy screwdriver bit with magnetic. Specifications: Material: the handle is the steel, the casing is carbon steel Hex shank size: 6.35mm (1/4 ") Hex slot size: 6.35mm (1/4 ") Color(Optional): black knurling, black &white three trough Length(optional): 60mm (2.36 "), 100mm (3.93 "), 150mm (5.9 ") Suggestion: install on electric screwdriver, use it  with screwdriver bit. Package Included: 1 x Quick Relse Screwdriver Drill Bit Holder