General description This Magnetic Bit Holder Screwdriver Extension set includes three pieces of varying lengths (60mm, 100mm, and 150mm) designed for use with drill and impact drivers, making it an essential tool for both professionals and DIY enthusiasts. It allows for extended reach in tight spaces and enhances the versatility of your screwdriver. Technical specifications Quantity: 3 pieces Sizes: 1/4 (6.35 mm) × 60 mm Sizes: 1/4 (6.35 mm) × 100 mm Sizes: 1/4 (6.35 mm) × 150 mm Compatibility and accessories Compatible with electric screwdrivers, impact wrenches, and extension rods Applicable to pneumatic air batch, electric hand drills, rechargeable drills, and electric screwdrivers Usage Used to extend the connection for screwdrivers and other tools in harsh working environments Can be used with socket connecting rods Other information Manual measurement may result in an error of 1-3 cm Color may vary due to differences in light and display