The Simplex CHA1538 Heavy-Duty Alloy Chain is a durable support accessory for RJ series Ratchet Jacks, designed to enhance stability and load control. Measuring 84 inches (2133.6 mm) in length and weighing 29 lbs (13.2 kg), this high-strength chain is ideal for securing loads, anchoring jacks, and providing additional support in lifting applications.