Pump Action Nut Riveter M3 - M12 With Ergonomic Aluminium Alloy Body and Grips Riveter Heads : M3, M4, M5, M6, M8, M10, M12. Providing more than 40 percent increased leverage Rapid loading and unloading nut structure Length : 360mm / 14in. Working stroke : 7mm Weight : 1152g Multi-function Wrench Genuine Neilsen Product