MaterialStainless Steel Nylon Rating 304 Exterior FinishStainless Steel Head Style Milled Color Silver. Size4 Stücke - M10 Metal TypeStainless Steel Package Contents - In this set it includes 4 M10 eye bolts, 4 lock nuts, 4 washers lock nuts and 4 flat washers. Material - 304 stainless steel, rust-proof and durable. Perfect Kit - Heavy-duty bushings with strong backing, nylon lock nuts provide superior better security and a firm hold. Included washers can prevent loosening. Application - Widely used in various hoisting machinery, metallurgy and mining equipment, port rail handling, electrical equipment, hoisting of marine weight. Easy to Install - Easy to use precision machined nets are very easy to install and are ideal lifting equipment.