... fence panel(tolerance +/-0.04mm) Surface:electro G.I,hot dipped G.I 3mm 4mm 5mm wire diameter 4mm wire ... diameter mesh fence panel(tolerance +/-0.04mm) This product is the ... 6mm19,20,21,221/2" x 1/2"12.7mm x 12.7mm16,17,18,19,20,21,22,235 ... 19,20,211" x 1/2"25.4mm x 12.7mm16,17,18,19,20,211-1/2" x ... metric unit(mm)1/2" x 1/2"12.7mm x 12.7mm16,17,18,19,20,213/4" x ...