COMPACT AND CONVENIENT : extension screwdriver flexible shaft bit holder is made of high quality metal material, durable and portable, Flexible out shield protects your hand while inside shaft rotates. HIGH PERFORMANCE BIT HOLDER : Fit hex screwdriver or screw cordless drill shank diameter: 6.35mm (1/4"). 300 DEGREE BENDABLE : Flexible shaft can bend up to 300 degrees.and can meet your different using projects. FLEXIBLE EXTENSION BIT HOLDER : Bit holder keeps fasteners and bits secure while driving, Bends,twists and turns to use drill into tight and confined spaces. WIDELY USED : The flexible shaft can be used for general screw cordless drill, it can also be used for electric screwdriver. Flexible shaft head can be mounted hexagonal shank (1/4 shank) screwdriver bits, mainly used in computer case, electrical cabinets, furniture, electrical appliances and other narrow spaces where screwdrivers can not work normally., Weight: 0.1543235834 pounds, Manufacturer: Candeon