We are supply varioussize and colors plastic steel link chain (outsde is plastic, inside is steel), plastic link chain, steel link chain according to customer's drawing or sample. We have our own factory, the price is competitive, quality is reliabl, services is best. Advantage of our patent product plastic coated steel link chain : 1.Inner steel ring, outer plastic 2.Antirust, anticorrosion, aging-resistant 3.Colorful and beautiful 4.Anti-theft 5.Environmental 6.Used for river, park, seaside, garden, bridge, guardrail, post, barrier Model : K512-48: length inside : 48mm Inner steel ring dia:5mm Plastic coated ring dia:11mm Thickness of the plastic:3mm