1. Product Material: 65 manganese steel is 2. Product Attribute: Zinc plated multicolor, strong rust resistance, surface oxidized 3. Not easy to tarnish. Product application: such as motorcycles, 4 wheels, etc. Product function: Fastener to connect plastic accessories to the car body has high elasticity, high strength, high hardness. It is also known to not fall off when transporting spring nut support parts, making installation fast and convenient. Serves primarily as a solid link between products. 5 Product Specifications: No. 6.