*KeyFeatures *Knob for Quick De-Riveting: Our 16-inch rivet nut tool features a quick de-riveting design by twisting the spindle knob. Effortlessly twist the knob to release the rivet automatically. The 16-inch long handle maximizes leverage and makes riveting a breeze, saving time and effort compared to manual riveting. *Sturdy Material for Durability: The professional-grade rivnut tool kit with industrial quality is made from a high-strength alloy rivet setting rod and carbon steel handles that resist corrosion and deformation. The ergonomic rubber handle ensures a non-slip and comfortable grip, providing stable and robust support for your daily work or hobby projects. *13 Sizes of Mandrels and Rivet Nuts: Our rivet nut gun kit provides versatility with 13 pcs of mandrels and 186 pcs rivet nuts. The nuts include 20 pcs each for 6 sizes: M3, M4, 10-24, M5, M6, 1/4-20; 10 pcs each for 6 sizes: 8-32, 5/16-18, M8, 3/8-16, M10, M12; and 6 pcs for 1 size: 1/2-13. The 13 pcs mandrels sizes: M3, M4, 10-24, M5, M6, 1/4-20, 8-32, 5/16-18, M8, 3/8-16, M10, M12, 1/2-13. *Easy to Use: Our user-friendly nutsert tool kit requires no complicated operations. Just replace the appropriate mandrels and rivet nuts, and there's no need for any additional tools. Simply open and close the handle to complete the nut installation, and twist the knob to de-rivet. Even first-time users can use it like professionals. *Versatile for Any Job and Surface: From workspaces to home projects, our rivet nut kit is suitable for DIY, manufacturing, and automotive repairs. It can be used to fix and rivet aluminum, steel, copper, and more. Say hello to high efficiency and bid farewell to limitations. ******************************************************************************************************* *Specifications Item Model Number: DY-8804 Maximum Working Stroke: 0.3" / 8 mm Rivet Nut Material: Q235 Product Size: 15.24 x 6.14 x 1.57 / 387 x 156 x 40 mm Product Weight: 7.38 lbs / 3.35 kg ******************************************************************************************************* *Pakcage Content 1 x Rivet Nut Tool 1 x User Manual 1 x Carrying Case 186 x Rivet Nuts 13 x Sets of Mandrels