Description: 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. Features: Metal material, durable and portable, Flexible out shield 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. 99g(300mm), 129g(400mm) Package Includes: 1 x Flexible ShaftExtension 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. [DURABLE AND PORTABLE] Metal material ensures durability and portability for long-lasting use. [FLEXIBLE SHAFT] The flexible shaft can bend up to 300 degrees, allowing it to reach tight and confined spaces effortlessly. [SECURE BIT HOLDER] The bit holder keeps fasteners and bits secure while driving, preventing them from slipping or falling. [VERSATILE USAGE] This flexible shaft is perfect for use with hex screwdrivers or cordless drills, making it suitable for a variety of projects. [PROTECTIVE DESIGN] The flexible out shield protects your hand while the inside shaft rotates, ensuring safety during use.