Description:_x005f_x000D_ This 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._x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Features:_x005f_x000D_ _x005f_x000D_ Metal material, durable and portable, Flexible out shield protects your hand while inside shaft rotates._x005f_x000D_ _x005f_x000D_ Fit hex screwdriver or screw cordless drill shank diameter: 6.35mm (1/4")._x005f_x000D_ _x005f_x000D_ Shaft is very flexible and can bend up to 300 degrees. _x005f_x000D_ Bit holder keeps fasteners and bits secure while driving._x005f_x000D_ _x005f_x000D_ Bends, twist and turns to use drill into tight and confined spaces. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Specifications: _x005f_x000D_ Material: Metal_x005f_x000D_ Hex Shank: 6.35mm (1/4")_x005f_x000D_ _x005f_x000D_ Inner Hexagonal Head: 6.35mm (1/4") _x005f_x000D_ Total Length: 300mm / 11.81" , 400mm / 15.74"(Optional)_x005f_x000D_ _x005f_x000D_ Quantity: 1_x005f_x000D_ _x005f_x000D_ Weight: Approx. 99g(300mm), 129g(400mm)_x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Package Includes:_x005f_x000D_ _x005f_x000D_ 1 x Flexible Shaft Extension Bit Holder _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note:_x005f_x000D_ 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding._x005f_x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.