Features:1. 100% brand new and high quality.2. Hand-held design, small size, easy to operate3. Alloy steel gun head, strong wear resistance4. Strong strength, high work efficiency and good rivet effect.5. Suitable for billboards, nameplate joints, aluminum door and window industry and metal workpiece riveting.Specification:Condition: 100% Brand NewModel: 250Number of Impacts: 2200Times / MinuteInlet Connector: 1/4"Cylinder Stroke: 85mmAir Consumption: 5.5cfmAir Tube Requirements: 8mm or MoreAir Pump Requirement: More Than 140L/MinApplicable Rivets: Solid Aluminum Rivets / Iron Rivets / Stainless Steel Rivets, Flat Head / Round HeadRivet Diameter: Large Rivet 2-10mmWeight: Approx. 2180g / 76.9ozPackage List:1 * Damping Spring1 * Inlet1 * Rivet Rod1 * Riveting Gun