25mm x 50mm aperture size.
MK K8893 ALM Grid Plus 6-8 Gang Surface Metal Box
MK K181 MCO Albany Plus Euro Data Frontplate
MK Grid K3494 ALM Plus Metalclad Cover Plate 4 Module
MK Metal Clad RCD Socket • 10mA Active K6102 ALM
MK Logic Range - K181 WHI - 1 Gang 1 Module Euro Data Modular Front Plate