Features Durable Hard Metal Construction - Crafted from tough materials for long-lasting performance, ensuring your tools withstand heavy use and offer reliable service over time Extendable Design for Versatility - Easily lengthen the holder with a simple pull, allowing you to reach tight spaces and tackle various tasks effortlessly Universal Fit for Compatibility - Designed with a 1/4 inch quick hex shank and socket, compatible with most electric and hand-held drivers for seamless integration Compact and Portable Size - Lightweight and easy to carry, this extension bar fits into any tool bag, making it perfect for on-the-go repairs and installations Efficient Screw Management - Ideal for quickly removing or tightening numerous screws, streamlining your workflow and enhancing productivity with every project Features: 1、Hard metal holder for durability, the heavy-duty construction allows for long service life 2、Bit holders are designed to be extendable and can be lengthened with a simple pull 3、1/4inch quick hex shank and 1/4inch hex socket fit most electric drivers, hand-held drivers and bits 4、The small size allows you to bring your bit extension anywhere to get any job done and can fit into many tool bag 5、Very helpful to remove or tighten a large number of screws after you've started or loosened them Specification: Description: These extension holders are made with a metal with heavy duty construction to ensure durability and efficiency. They are covered with anti-proof cover and the cover is separated from holder body so you can hold cover while using electric screwdrivers, in order to avoid waggle. They can be used for a variety of drivers making these extension holders very handy. Features: Hard metal holder for durability, the heavy-duty construction allows for long service life. Bit holders are designed to be extendable and can be lengthened with a simple pull. 1/4inch quick hex shank and 1/4inch hex socket fit most electric drivers, hand-held drivers and bits. The small size allows you to bring your bit extension anywhere to get any job done and can fit into many tool bag. Very helpful to remove or tighten a large number of screws after you've started or loosened them. Specification: Main Material: 08F iron, aluminum Hex Shank: 1/4" Hex Socket: 1/4" Retracted Length: 80mm(3.15"), 120mm(4.72") Extended Length: 120mm(4.72"), 200mm(7.87") Quantity: 2 Package Includes: 2 x Extension Holder Package List