Easy riveting, simple operation, quick riveting speed, convenient and lightweight.Features:Handle adopt the thickening high carbon steel plate to production, energy saving design.Spear parts after high temperature treatment, strong and practical.Handle with ergonomic design, comfortable don't skid.Manual rotation back device, save time and effort, quick and convenient.Easy riveting and simple operation, an useful tool.Specifications:Capacity: M3, M4, M5, M6, M8Material: metalMax working stroke: 9mmMax effective working stroke: 7mmLargest multiple of arm of force: 25Item length: approx. 300mm / 11.8inItem weight: 650g / 1.4lbPackage size: 310 * 125 * 35mm / 12.2 * 4.9 * 1.4inPackage weight: 962g / 2.1lbPacking List:1 * Hand Riveter5 * Heads of Parts (one of them is aready set in the machine)50 * Nuts1 * Wrench