Material: Carbon steel/stainless steelSurface treatment: galvanized/natural colorUse function: anchoringSpecifications :M4-M8Package Included:10 pcs Nuts RivetnutsProduct features:1. The product is made of galvanized metal, after particular treatment, can effectively stop corrosion and rust, make it extra durable. It has nice shock resistance and fastness to ensure security and steadiness when used.2. Through its hexagonal design and matching petal nuts, it's going to present users with a extra stable assembly and effectively stop loosening. At the same time, the hexagonal design is easy to use quite a lot of instruments for disassembly, providing extra flexibility.3. Whether it is within the family, or in diverse industries, construction, pc hardware, furnishings and other fields, you should utilize galvanized hexagon matching galvanized petal nuts.4. These nuts are very simple to put in and remove. You only deserve to use the proper tools, no bulky steps, saving lots of time and effort.Notes:1.Please enable 1-2cm variations because of manual measurement, thanks.2.Please perceive due to gentle irradiation or pc demonstrate difference, so I can't guarantee pictures and genuine colour is the same.