165-piece assortment of stainless steel rivet nuts, flat head threaded rivet nut insert caps, sizes M3, M4, M5, M6, M8, M10 (6 different types, 165 stainless steel rivet nuts)

1. Robust and durable: Made of high-quality stainless steel. 2. The knurled nut facilitates insertion into the workpiece. 3. Easy installation in many different materials such as steel, plastic, and fiberglass. 4. Types: M3, M4, M5, M6, M8, M10; Package contents: 165 pieces; Supplied in a practical plastic box. 5. Ideal tool for installing rivet nuts – for easier and faster work.