Why Choose Our Stainless Steel Chain? 304 Stainless Steel — Our chains are well-made with a stable and firm structure. It exhibits high strength, rigidity, and good heat/cold resistance. Durable and wear resistance for long-term use. I believe our chain can be used with you for many years. Maximum Static Load — The durable steel safety chain will provide enhanced wear resistance and additional weight. We provide stainless steel products to ensure durability, rust resistance, and high load ratings, which can hold heavy bags well. Easy to Use and Adjust — It is durable and sturdy. Usage for towing a boat, hanging a plant, hanging a swing, weightlifting, safety chains, supporting a hammock, securing on a pontoon, as an engine tether, etc.   3 Sizes of Thickness for Chain Links(2mm/3mm/5mm) Double-ended closed chain link Long Link Coil Chain Ring Connected 2mm/3mm/5mm Thickness 40 inches Length   2 mm Stainless Chain Link Long Ring Connected(Each chain link) 0.7”/18mm x 0.35”/9mm   Length: 40in/100cm Weight: 3OZ/86G Max Load Bearing: 0~30 lb       3 mm Stainless Chain Link Long Ring Connected(Each chain link) 1.18”/30mm x 0.55”/14mm   Length: 40in/100cm Weight:8.8OZ/164G Max Load Bearing: 130~150 lb   5 mm Stainless Chain Link Long Ring Connected(Each chain link) 1.6”/41mm x 0.82”/21mm   Length: 40in/100cm Weight: 17OZ/484G Max Load Bearing: 350~400 lb   Capacity Load of Stainless Steel Chain 5/64"(2mm) of bearing capacity is 30 lb.   1/8"(3mm) of bearing capacity is 150 lb.   3/16"(5mm) of bearing capacity is 440 lb.