General description This Orchid Magnetic Bit Holder Screwdriver Extension set includes three pieces of hex shank extensions, measuring 60mm, 100mm, and 150mm. It is designed for use with drill and impact drivers, making it an essential tool for both professionals and DIY enthusiasts. Technical specifications Quantity: 3 pieces Hex shank size: 1/4 inch (6.35 mm) Extension lengths: 60 mm, 100 mm, 150 mm Compatibility and accessories Compatible with electric screwdrivers Suitable for impact wrenches Works with pneumatic air batch, electric hand drills, and rechargeable drills Usage Used to extend the reach of screwdrivers and other tools in difficult work environments Enhances connection length for better access to tight spaces