Grow1 Jack Chains – 200ft RollOur Grow1 Jack Chains are a universal item with a wide range of applications in hydroponic and greenhouse settings. They work great for hanging a variety of lighting and filtration systems from overhead ceilings and compartments. Grow1 Jack Chains are also essential for securing and supporting heavy storage tanks or bulky reservoirs.Specifications #2 Chain 13 Gauge USA Standard Galvanized Steel Double Loop 200ft Roll Working Load – 115lbs (52kgs) Breaking Load – 420lbs (190kgs)