Product Details1.Instruction: Adjustable length, easy to install. This extension chain comes with two connection locks that open and close easily. And the chain link is detachable, you can use pliers to increase or decrease the chain link to adjust the chain length.2.Advantage: Its robust construction and high tensile strength make it good for heavy object tasks, ensuring safety and reliability. Our chain features a proof coil design, which provides added strength and prevents the chain from stretching or deforming under heavy loads. This ensures safe and secure towing, pulling, and lifting operations. Support multiple connections and it is easy to adjust the length according to your needs.3.Specification: Color: Gold Bronze; Material: Metal; Length of Spring Buckle: 39.35mm/ 1.55 inch; Total Width: 19.5mm/ 0.