Features: This riveter has strong tension and can pull aluminum rivets, iron rivets and stainless steel rivets. With self priming design, you can operate it by single hand, saving time and efforts. Small volume and light weight, you can use it in hard-to-reach area. Air release valves prevent overload and extend service life. Widely used in decoration, automotive, container, electric appliance, instrument and other machinery manufacturing industries. Specification: Color: Black+Silver as picture show Air Inlet: 1/4" NPT Air Hose: 3/8" Working Air Pressure: 0.5-0.7MPa Work Pull Force: 12300N-17220N Operating Stroke: 20mm Usable Self-plugging Rivets Sizes: 4.0mm, 4.8mm, 6.4mm Usable Self-plugging Rivets Materials: Aluminum, Aluminum Alloy, Steel, Stainless Steel Package list: As the picture show