Durable MaterialThe decorative chain is made of solid carbon steel material, which is rust-proof, and electroplated, with good rust resistance and long service life.Hanging Chain SizeLamp chain length: 15 feet (4.6m); each link size is 45*20*4mm (1.77"*0.79"*0.16"); round ring size is 29*35mm (1.14"*1.38"); maximum bearing capacity is 65 lbs (30kgs) capacity. Choose the right height by adjusting the clips on the long lanyard, shorten or lengthen or wrap the chain to match your needs.Adjustable Length & Easy to InstallThis extension chain for lights 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, and cut the length you need.