Scope of delivery: Includes 2 adapters from 1/2 square to 1/4 hexagon, sufficient for daily use. High-quality materials: The impact wrench adapter is made of high-quality chrome vanadium steel, treated with oxide flakes to improve the surface's oxidation resistance and provide corrosion and rust protection. It has high hardness and strong impact resistance and is durable. SECURE DESIGN: The adapter sets offer a secure locking system for existing tools and additional length to reach a variety of hard-to-reach places. Specially designed for the secure mounting of a hand screwdriver, drill, or impact wrench. EASY INSTALLATION: The impact wrench adapter is easy to install and can be installed in less than a minute without additional tools. The hex bit adapter securely attaches to any 1/4-inch hex shank drill bit, such as bits, screwdrivers, power drivers, ratchets, impact wrenches, etc. Application: The quick-release converter can easily replace bits and sleeves. The clamping force is