Schneider Electric AvatarOn cover plate E8333_DG is in color dark grey for switch with 3 rockers. The fixing mode of this device is by 2 screws. Being made of PC (polycarbonate) material, this cover plate is quite reliable and resistant. It is 86 mm in width, 86 mm in height, 21 mm in depth. And it features protective untreated surface treatment. The surface finish is glossy, which ensures a bright, even an inviting finish. This cover plate is SVHC (substances of very high concern) free too. What's more, it well satisfied the standard of BS 5733, IEC 60670.