Plastic Coated Steel Pipe Rack Heavy Duty Storage Shelving Units Quick Detail: 1. Materials: Beige plastic coated steel pipe, balck pipe joints .PE coated pipe in 1.2mm thickness. 2. Modular product, be connected by pipe joints and fixed M6*25 bolts and nuts, without welding. 3. Can be adjusted the size to meet your need. 4. We accept custom order, OEM & ODM 5. Easy handling of Raw material and assembled product as the raw material are made up of light Components. 6.