Specifications: 1) Diameter: 27-60.3mm, wallthickness: 2.0-4.0mm; length: 1m-6m 2) Standard: BS1387, BS1139 3) Surface: hot dip galvanized, electro galvanized, black Packing: 61/91pcs one bundle, packed by steel bars; can be wrapped by PVC bags We have our own scaffolding pipe shop and hot galvanized shop. We have BS1139 certificate for our pipes.