ML Knightsbridge's brushed chrome screwless SF4000BC wiring accessories feature a screwless slim plate design with just a 4.3mm projection. All feature matching metal rockers and an integral gasket to prevent moisture transfer between the wall and plate. Constructed from premium grade components. 3 gang 10AX 2-way switch - no derating for inductive Premium grade steel construction - brushed chrome finish Fitted with moisture-shielding gasket to protect plate Earth terminal fitted Requires 16mm minimum depth backbox Terminal capacity: 2 x 1.0mm² or 2 x 1.5mm² BS EN 60669-1 Dimensions (H x W x D): 87.5 x 87.5 x 4.3mm