We offer our durable grade 70 chain in a selection of sizes, lengths, and working load limits in bulk orders to meet your specific situation and secure your cargo for the long haul. Our grade 70 chain is made of high-strength carbon steel and heat-treated to twice its original working load limit for even greater strength and durability. With a zinc-plated gold chromate finish to protect against rust and corrosion and a set of heavy-duty clevis hooks