Fastener Range: All EWH10/W10 3/8" threaded studs; DS fasteners 3/4 in - 2-1/2 in Power Source: Hilti .27 caliber short in plastic strips of 10 Piston Bore: 10mm Approvals: Meets ANSI standard A 10.3 and OSHA requirements for low velocity tools Hilti PN: 304386 Package Includes: Tool, F10 fastener guide, rubber stabilizer, cleaning kit, ear protectors, safety glasses, Hilti spray lubricant and operating instructions in an impact-resistant plastic tool box