1pc 1/4" Extension Screwdriver Flexible Shaft Bit Holder Connecting Link Specification: Description: This flexible shaft can be for general screw cordless drill, it can also be for electric screwdriver. Flexible shaft head can be mounted hexagonal shank 1/4 shank screwdriver bits, mainly in computer case, electrical cabinets, furniture, electrical appliances and other narrow spaces where screwdrivers can not work normally. Features: Metal material, durable and portable, Flexible out protects your hand while inside shaft rotates. Fit hex screwdriver or screw cordless drill shank diameter: 6.35mm 1/4". Shaft is very flexible and can bend up to 300 degrees. Bit holder keeps fasteners and bits secure while driving. Bends, twist and turns to use drill into tight and confined spaces. Specifications: Material: Metal Hex Shank: 6.35mm 1/4" Inner Hexagonal Head: 6.35mm 1/4" Total Length: 300mm / 11.81", 400mm / 15.74"Optional Quantity: 1 Weight: Approx. 99g300mm, 129g400mm Package Includes: 1 x Flexible Shaft Extension Bit Holder Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 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. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Metal material, durable and portable, Flexible out protects your hand while inside shaft rotates Fit hex screwdriver or screw cordless drill shank diameter: 6.35mm 1/4in Shaft is very flexible and can bend up to 300 degrees Bit holder keeps fasteners and bits secure while driving Bends, twist and turns to use drill into tight and confined spaces