Made of 304 stainless steel: our silver rivet nuts are made of high quality 304 stainless steel and will not rust. You do not have to worry about the beauty and durability of the items used. Goujon nut M6: The rivet nut model is M6. It has a round inner thread and a coarse engraving outside for better tightening to ensure a stronger connection with the screw. The length is 15 mm and the caliber of 9 mm. METHODING AND PERFECT THREE: The knurling of the integrated nut allows the nut to adapt closely to the object, which makes it difficult to slide, and the high precision internal threads are compatible with the appropriate screws. Easy installation: For riveting, it can be easily installed in a variety of materials such as steel, plastic and fiberglass. You can use it to loosen and tighten as often as necessary. Use according to your needs: You can use it in any wood or plastic product according to your needs. Which can be widely used in automobiles, furniture, decorations, handmade