Polycarbonate wallplates are virtually unbreakable, with high structural rigidity, longterm form retention, and superior impact and abrasion resistance|Rugged construction reduces installation cost due to less plate breakage and resists bowing to provide a smooth, flat installation|Exclusive timesaving Screw-Catch feature that holds mounting screws captive and simplifies installation|High gloss finish is soil resistant|Nylon wallplates have a flush-fitting, warp resistant design