1、High Quality Material: The manual rivet kit is made of high strength metal material, with high hardness, strong wear resistance and long operating life after heat treatment. 2、Interchangeable Rivet Heads: Eight pairs of interchangeable nandrels are provided, including M3, M4, M5, M6, 10‑24, 1/4‑20, 6‑32, and 8‑3 This manual rivet kit provides you with basical objects when you start riveting. 3、Ergonomical Design: The riveter handle adopts ergonomic design, which allows a single hand operation, to make your riveting work easier and save more effort. 4、Wide Application: The rivet kit is suitable for metal work, gutter, automotive, aviation, railway, elevator, instrument, furniture and other common projects. 5、Easy Operation: You could replace the riveting rod with ease, just simply spins clockwise for several turns. Also, there are easy pumping sleeves to help replacing the mandrels. 1 x Hand Riveter ( The M5 Screw Nut is Installed On It )8 x Plastic Box1 x Multifunctional Wrench1 x M3 Mandrel1 x M3 Nut1 x M4 Mandrel1 x M4 Nut1 x M6 Mandrel1 x M6 Nut1 x 10-24 Mandrel1 x 10-24 Nut1 x 1/4-20 Mandrel1 x 1/4-20 Nut1 x 6-32 Mandrel1 x 6-32 Nut1 x 8-32 Mandrel1 x 8-32 Nut1 x Manual Item Type: Hand Rivet KitMaterial: MetalMaximum Working Stroke: Approx. 7mm/ 0.276inMaximum Working Effective Stroke: 6mm/ 0.236inMaximum Force Arm Multiple: 25 timesApplication: Universal