Metabo HPT MultiVolt 36-volt Variable Speed Brushless 1/2-in square Drive Hybrid Cordless and Corded Impact Wrench (Bare Tool) in the Impact Wrenches department at Lowes.com
1/2 Inch Cordless Impact Driver/Drill | Industrial Products
18V Lithium Ion 1/2 Inch Impact Wrench | Metabo HPT WR18DBDL2