1、COMFORTABLE HANDLE: The handle material is soft coated rubber, which can be held for a long time without stuttering. The arc design is ergonomic, the grip is comfortable and does not slip 2、BLACKENED AND RUSTPROOF: The accessories of the riveting gun are blackened, which has a certain rustproof performance, stable and durable 3、EFFICIENT AND SAFE: Multiple gun head options, the punch tail is prepared according to different rivet nut gun models, with convenience, efficiency and safety 4、M3 M4 M5 M6 GUN HEAD SPECIFICATION: The maximum force arm multiple is 21 times, suitable for gun heads of M3 M4 M5 M6, universal and versatile 5、PERFECT RIVETING: Carbon steel material has higher hardness and better wear resistance. Suitable for riveting of metal fibers, leather and other materials 1 x Rivet Gun1 x Fixed Nut6 x Tool Box4 x Mandrel(1xM3, 1xM4, 1xM5, 1xM6)2 x Socket1 x Wrench4 x Shaft Cap(1xM3, 1xM4, 1xM5, 1xM6)1 x User Manual Item Type: Rivet Gun KitMaterial: Carbon steelMaximum Arm Multiple: 21 TimesApplicable Tip: M3 M4 M5 M6Applicable Scene: Suitable for riveting of metal, fibers, leather and other materials