G.I Sheet in 22 Gauge & 24 Guage 0.13-0.8mm thickness 300-1000mm width zinc ... wrapper, billboards, safety signs, poolsG.I Sheet in 22 Gauge & 24 Guage0.13-0.8mm thickness 300-1000mm width zinc coating ... wattand colored substrate,etc. G.I Sheet in 22 Gauge & 24 Guage