The bits are made from industrial S2 steel

T277: Air hose w/fittings

Canvas pounch for convenience and easy storage

7/8 inches (228Z)

For applying measured torque to nuts and bolts with the proper socket or attachment

GP 1" Drive Standard 4-Point Square Impact Socket (Ea.) Shop Press Parts & Acc_Kits The bits are made fromHeavy duty Grey Pneumatic 1 inch drive 4 point square impact sockets designed for high torque pneumatic and electric impact wrenches. Built from chrome molly steel for professional truck, fleet, and industrial service. Sold individually by size. Features: Professional grade Grey Pneumatic impact socket 4 point square design for Budd style and square fasteners 1 inch drive for high torque impact applications Impact rated chrome molybdenum steel