This particular D ring tiedown anchor is designed to be surface mounted and add a solid anchoring point for cargo straps, ropes, cables or chains. It features forged steel construction and a capacity of 11,000 Pound, making it strong enough for many commercial and industrial applications. The heavy duty ring offers a large opening for clevis hooks, and the thick metal bracket uses square mounting holes to accept carriage bolts. To ensure that this D ring has what it takes to outlast the elements, it is finished in a durable, corrosion resistance yellow zinc plating.