[Long and Sturdy Material]: Durable chrome-vanadium anvil and anvil receiver with mirror chrome finish, heavy-duty wound spring steel with PVC sleeve. Easily solve car engine choke repair, remove screws, professionally handle corners and confined spaces that a regular screwdriver cannot reach. [Small and Flexible]: Maintains excellent rotational torque transfer from ratchet wrench to socket, heavy-duty wound spring steel provides flexibility up to 45 degrees. Spring-loaded ball detent to prevent parts from slipping in machines with square drive radius corners to reduce wear on tools and sockets. [Multiple Sizes to Choose From]: The universal socket wrench extension bar has three drive sizes such as 1/4 (6 inches), 3/8 (8 inches), and 1/2 (10 inches), for maximum versatility it is a great addition to any toolbox. [Wide Range of Applications]: Can be connected to an electric drill, rechargeable electric drill, or hand wrench. The socket wrench extension bar is ideal for the automotive industry, factory production, home maintenance, construction, and other industries. It is a more versatile and efficient tool that makes work and life more relaxing.