Compact size, suitable for narrow space working, comfortable handle design, easy to operate with one hand. Features: Handle adopt the thickening high carbon steel plate to production, energy saving design of bending helve. 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. Fine quality for long service time. Specifications: Maximum working strole: 7mm Maximum working effective stroke: 6 mm The biggest lever ratio: 25 times The range of the spear: M3,M4,M5,M6 Item size: 200 * 130 * 30mm / 7.9 * 5.1 * 1.2in Item weight: 538g / 1.2lb Package size: 250 * 150 * 50mm / 9.8 * 5.9 * 2.0in Package weight: 760g / 1.7lb Packing List: 1 * Hand Riveter 4 * Nuts (one of it is set in the hand riveter) 1 * Wrench