The BulletProof Medium Duty 5/16 in. x 12 ft Transport Chain is the ultimate choice for the times you need to transport cargo or secure a load on your trailer. Designed for both safety and durability, our chains are strong, easy to tension and easy to store. Our chains are made from a heat-treated Grade 70 chain to withstand even the harshest conditions. The gold chromate finish offers corrosion resistance and allows DOT inspectors to easily determine the grade of chain being used. This medium duty chain has a working load limit of 4,700 pounds and an overall weight capacity of 18,800 pounds. They are designed to be used with the BulletProof Medium Duty or Heavy Duty Ratchet Binder. The grab hooks are universal and can be used with 1/4" or 5/16" binders. Links are stamped "G70" in accordance with the Department of Transportation regulations.