Jet 775461-1" X 10" Chisel with Grip Air Tools look for the 5/16-Inch tip

look for the 5/16-Inch tip Round shape bottom ball groove

40260 Screw

and a tool tray

4140 Chrome Molybdenum high impact steel Meets or exceeds U

and are designed to bend slowly to warn of overloads Each unit is tested to 150-Percent of rated capacity Meets ANSI B30

Jet 775461-1" X 10" Chisel with Grip Air Tools look for the 5/16-Inch tipMade of the highest grade carbon steel , accurately hardened and tempered preventing splintering and extending life , Powder coated shank protects against rust , Edges accurately tempered to stay sharp , Extra thick hexagonal shanks minimize roll away , Safety grip protects hand from overstrikes warning: always wear safety goggles