Description: Materials: 304 Stainless Steel D Ring Outer Size: approx. 45 x 39mm/ 1.8 x 1.5 inch (L x W), Thickness: approx. 6mm/ 0.24 inch Staple Cleat Size: approx. 56 x 19 x 2mm/ 2.2 x 0.75 x 0.08 inch (L x W x Thickness) Screw Hole Diameter: 6mm/ 0.24 inch Corrosion resistance, high strength Package Includes: 4 Sets Stainless Steel Lashing D Ring