- 12 M10 ring nuts made of high-quality 304 stainless steel - Anti-corrosive and rust-resistant material, suitable for indoor and outdoor use - Polished surface, burr-free, with standard precision threading and high strength - Perfect for rope assembly, lifting equipment, DIY, and supports - Easy to install and remove on hooks, chains, carabiners, and connectors - Dimensions: height 4.1 cm, outer diameter 4.0 cm, inner diameter 2.6 cm, thickness 0.8 cm - Silver color, professional finish, and smooth edges for increased safety - Versatile use in lifting machinery, metallurgy, mining, railway, and energy