... : a) Types: 1) Stainless steel wire hexagonal mesh 2) Black, hot dipped zinc, electric galvanized, PVC coated, right / left twist, hexagonal mesh b) Mesh size: 1 ... "SWG19,20,21,22Hexagonal wire netting in normal twist.2"SWG18,19,20,21,22Hexagonal wire netting in reverse twist.3"SWG18,19,20 galvanized hexagonal wire netting