MK Old Style Single Grid Switch Yoke Earth Terminal also fits metal socket boxes

MK Grid Plus - K3702 - 2G Grid Mounting Frame

MK Grid plus 2 gang yoke Mounting plate MK 325284

MK MH4348BLACK Dimensions 4 Gang 8 Module Grid Mounting Frame Black

MK Grid Plus - K3701 - One Gang One Module Grid Mounting Frame

MK Grid Plus - K3701 - One Gang One Module Grid Mounting Yoke/Frame New

CRABTREE Rockergrid Grid Switch Accessories - Switches Plates Grid Yokes Boxes

MK Grid Plus K4885WHI 10 Amp SP 1 Way Push Switch Module