Cover plate size:
Single cover plate 4.5" H x 2.75" W
Double gang cover plate 4.5" H x 4.5" W
Triple gang cover plate 4.5" H x 6.4" W
4 gang Rocker / Toggle cover plate 4.5" H x 8.25" W
5 gang Rocker / Toggle cover plate 4.5" H x 10.15" W
Any other style cover plate you need but not on my list, just send me a eBay message to contact me.