SelectRic 5MPLUS-331 Polished Chrome Single Socket With Cooker Switch Plate. Range: 5M-Plus Finish: Polished Chrome Screwless No yoke required Modules screw directly into plate Compliant with BS 5733 Guarantee: 5 years Dimensions (mm): 146 × 86 x 5 Only compatible with SelectRic back fittings ,, Thank you