High-quality materialsThis rivet gun is made of high-quality aluminum alloy. The rivet pliers are polished, strong and durable, and have a long service life. Very suitable for connecting different types of metal plates and pipes Efficient Operation This rivet gun is equipped with a continuous gear instead of a connecting rod gearbox to maximize the ratio gear ratio of 40 times. With sturdy materials and advanced technology, the rivet shank rivets can quickly rivet and cut Multiple sizes M3, M4, M5, M6, M8 have different sizes. Each size contains many pin nuts, so you don't need to go to the hardware store for a while to find the pin nuts Ergonomic design The handle has an ergonomic design. non-slip which meets the principle of ergonomics. You can operate the riveting machine easily and conveniently and quickly change the mouthpiece, which is convenient, labor-saving and easy to use Widely used L=' Manual rivet gun set is suitable for car, trailer and furniture repair, as well as shipbuilding. It can be widely used in automobile, aviation, railway, elevator, instrument, furniture and DIY projects Features: Made of high quality aluminum alloy, very durable to use. Ergonomic, steel tool with non-slip handle. Durable, easy to use. High quality durable threaded chuck, long handle with comfortable handles, labor saving. Suitable for use in car, trailer and furniture repair, or even boat building. Specifications: Nut gun material: iron Material Nuts: Aluminum Color: Blue + Black Rivet Mandrels Size: M3/M4/M5/M6 /M8 Nut Chuck Size: M3/M4/M5/M6/M8 Total length of l = hand tool: approx. cm/inch Package Included: 1 x Nut Riveting Tool 5 x riveting mandrels with nuts: M3/M4/M5/M6/M8 5 x nuts : M3/M4/M5/M6/M8 20 x threaded inserts for M3 rivet nuts 20 x inserts d = M4 threaded rivet nuts 20 x inserts d = M5 threaded rivet nuts 10 x inserts d=M6 Threaded Rivet Nuts 10 x M8 Threaded Rivet Inserts d=Nut 1 x Case of plastic storage 1 x instruction manual Number of products: 1 piece Color blue Size: as shown