MATERIAL: The drill bushing adapter is made of hardened, heat-treated chrome vanadium steel, which ensures long life in high torque jobs without breaking or rusting. Heavy-duty construction is compatible with the most powerful impact drivers. Dimensions: Each adapter comes with a set of 6.35mm hex socket wrench adapters. Convert any power tool set into a nut socket set. Different color-coded rings make it easy to choose the right one. Design: Spring-loaded ball lock ensures a tight fit with the driver's head to prevent slipping during use. The specially machined double prong hex shank securely fits hand screwdrivers, drills or impact wrenches. MULTI-PURPOSE: This set of hex adapters are designed to provide a secure extension to your existing tools. Provides extra length to reach many hard to reach spaces. Attach these extensions to any electric or cordless drill chuck or impact driver to turn them into a high-speed nut driver. Uses: Impact socket adapter is an accessory useful conversion. Ideal for automotive repairers, technicians, do-it-yourselfers and do-it-yourselfers to use with sockets on tire nuts, offset bolts, hex head screws at home, in the workshop or on a construction site. >