Features Chrome Vanadium Steel Construction: Forged and hardened chrome vanadium steel construction, this crusher bar is stable, durable and durable to ensure long service life. Can be used for heavy duty work: Our switch bar with 180 degree drive head and spring loaded ball bearing check sleeve can be used for heavy duty work. Application: This switch bar will work as it should in those loose, rusty or stuck nuts and screws, and will show you the correct capacity. Comfortable grip: This switch bar has a contoured and rounded grip for a comfortable grip and non-slip while in use. Driver: This 1/2 inch mount switch bar is enough to provide up to 512N, m (378lb.ft) of torsion to keep you active and running. Specification: Item Type: 18 Inch Switch Bar Material: chrome vanadium steel Driving side: 1/2 inch Product Length: 18 inches (450 mm) Package List: 1 x Switch Bar Small note: There may be a slight error in the size Package List 1 x Breaker Bar