... *18, 18*20, 20*20 etc. Standard: meet American and European Standard Aluminium wire mesh: Specification: 18*14, 18*16, 18*18 ... , 18*20, 20*20 etc. Standard: meet American and European Standard Aluminium wire mesh: Specification: 18*14, 18*16, 18*18 ... ,30m or 50m per roll or according to customers requirement. Aluminum Alloy Wire