Features： 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 8‑32. 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. Specification： Item Type: Hand Rivet Kit Material: Metal Maximum Working Stroke: Approx. 7mm/0.276in Maximum Working Effective Stroke: 6mm/0.236in Maximum Force Arm Multiple: 25 times Application: Universal Package List： 1 x Hand Riveter ( The M5 Screw Nut is Installed On It ) 8 x Plastic Box 1 x Multifunctional Wrench 1 x M3 Mandrel 1 x M3 Nut 1 x M4 Mandrel 1 x M4 Nut 1 x M6 Mandrel 1 x M6 Nut 1 x 10-24 Mandrel 1 x 10-24 Nut 1 x 1/4-20 Mandrel 1 x 1/4-20 Nut 1 x 6-32 Mandrel 1 x 6-32 Nut 1 x 8-32 Mandrel 1 x 8-32 Nut 1 x Manual