PRACTICAL AND LIGHTWEIGHT. ERGONOMICALLY DESIGNED.USER BENEFITS:For tightening car wheel bolts, for assembly work and repairs. Universal use.Practical and lightweight for easy operation even in difficult to reach places.Ergonomic composite housing: insulated non-slip and low vibration for comfortable work.Ergonomic forward/reverse switching with convenient one-hand operation.User-friendly exhaust guide through the handle avoids dust turbulence in the working area.Torque can be set at 3 levels for different tightening applications.Durable twin hammer.