... *20, 20*20 etc. Standard: meet American and European Standard Aluminium wire mesh: Specification: 18*14, 18*16, 18*18, 18 ... : meet American and European StandardDiameter: 0.009, 0.011, 0.013;Weight: 115---135g/m2;Color: silver, black, grey, white, etc ... ,30m or 50m per roll or according to customers requirement. Aluminium Wire Mesh