1/2"DR. impact wrench<br/>Aluminum alloy housing<br/>Nickel chrome molybdenum square driver<br/>Variable speed trigger<br/>Muffled on front exhaust<br/>Standard anvil<br/>General specification<br/>Std. Bolt Size : 5/8" inch / M16<br/>Overall Length : 6-3/4" inch (171 mm)<br/>Air hose : 3/8" ID<br/>Air pressure : 90 PSI (6.2 bar)