Product Name: Lifting Eye Bolts Main Material: 304 Stainless Steel Package Content : 2 x Eye Bolts Thread Diameter: M10 x 17.8mm (D*L) Outer Diameter: 41mm/1.6" Inside Diameter: 24.5mm/0.96" Eye Diameter: 21.5mm/0.85" Ring Thickness: 8.3mm/ 0.33" Total Size: 60x41 / 2.4x1.6"(HxW) Made from 304 Stainless Steel, this material is in the combination of chromium and nickel elements in the role of the material surface to generate a stable layer of oxide film, not easy to rust, corrosion-resistant, durability, suitable for use in wet environments Widely used in industrial, marine, ships, electric power, steel, mining, railway, construction, metallurgy chemical, wire, cable Deep thread, force balanced, there are no air holes, shrinkage holes, sand holes on the inner and outer surface of the product, strong load-bearing, not easy to slip during rotation Round appearance, smooth and bright, shiny and flat tail section strong and durable.