... steel, iron, steel 3 hole: square 4 woven, weld square galvanized wire mesh1 surface: galvanize,pvc2 mateiral: stainless steel, iron, steel3 hole ... "19mm x 19mm16,17,18,19,20,211" x 1"25.4mm x 25.4mm15,16,17,18,19,20 square galvanized wire mesh