... ordinary welded link chain and absolutely gaurantee good quality and lowest price Feature:1, Material: Q235 steel products2, Surface treatment: self-color, Electro Galvanised and Painting3, ... ,4.5mm,5mm,5.5mm,6mm,7mm to 13mm DIN5685 A/C LINK CHAIN: Wire Diameter: 3mm,3.5mm,4mm,4.5mm ... to 25mm DIN766 LINK CHAIN: Wire Diameter: 3mm, 4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm to 25mm link chain with PVC pipe