General description This is a 3/8-inch square drive impact extension bar with a length of 150mm. It is designed to extend the reach of your impact wrench or screwdriver, making it easier to access hard-to-reach fasteners. Technical specifications Material: Chrome molybdenum steel Finish: Hardened, tempered, and chemically blacked for corrosion protection Size: 3/8 inch square drive Length: 150mm Compatibility and accessories Compatible with impact wrenches and screwdrivers that accept 3/8-inch drive sockets Suitable for use with standard impact sockets Installation Insert the extension bar into the impact wrench or screwdriver's drive socket Secure the socket onto the extension bar, ensuring it clicks into place Usage Use to extend the reach of impact tools for easier access to fasteners in tight or hard-to-reach spaces Ensure the socket is securely attached before applying torque