Features Durable Metal Construction - Crafted from high-quality metal, this extension bit holder ensures long-lasting performance while remaining lightweight and portable for easy handling Universal Compatibility - Designed to fit hex screwdriver or drill shank diameters of 6.35mm (1/4in), making it suitable for a wide range of tools and applications Exceptional Flexibility - The shaft can bend up to 300 degrees, allowing you to navigate around obstacles and access tight spaces effortlessly, enhancing your project efficiency Secure Fastener Retention - This bit holder keeps your fasteners and bits firmly in place while driving, reducing the risk of dropped or lost components during work Versatile Usage - Perfect for bending, twisting, and turning, this tool enables you to work in confined areas, making it an essential addition to your toolkit for various tasks Features: 1、Metal material, and portable, Flexible out shield protects your hand while inside shaft rotates 2、Fit hex screwdriver or screw cordl drill shank diameter: 6.35mm (1/4in) 3、Shaft is very flexible and can bend up to 300 degrees 4、Bit holder keeps fasteners and bits secure while driving 5、Bends, twist and turns to use drill into tight and confined spaces Specification: Description: This flexible shaft can be used for general screw cordl 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, and portable, Flexible out shield protects your hand while inside shaft rotates. Fit hex screwdriver or screw cordl 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. Specification: 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 Shaft Extension Bit Holder Note: 1. Please allow 1-m 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. Package List