Feature 1High hardness riveted gun tip, wear-resistant and durable. 2Light weight and handheld design, easy and convenient to operate. 3Powered by compressing air, energy saving and environmental protection. 4Applicable rivet: solid rivet, aluminum nail, iron nail, stainless steel nail, flat head nail or spherical nail. 5Suitable for billboard, nameplate joint, aluminum doors and windows industry and other metal workpiece riveting.Features: Light weight and handheld design, easy and convenient to operate. High hardness riveted gun tip, wear-resistant and durable. Powered by compressing air, energy saving and environmental protection. Applicable rivet: solid rivet, aluminum nail, iron nail, stainless steel nail, flat head nail or spherical nail. Suitable for billboard, nameplate joint, aluminum doors and windows industry and other metal workpiece riveting. Specification: Model: OW-190 Weight: Approx.1638g/ 57.8oz Impact frequency: 3000 times/min Air consumption: 5.5cfm Inlet: 1/4" Air pipe dia.:>8mm Rivet dia.: 2-10mm Air pressure: 6-8mpa Pump requirement: 140L/min Cylinder stroke: 66mm/ 2.6in Package List: 1 * Riveting Gun 1 * Inlet connector 1 * Cushion spring 1 * Rivet Rod Note:Please allow slight error due to manual measurement. Thanks for your understanding.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.