Origin: China Price: To Talk About Payment Method: T/T Quantity: 1,000Pcs Pack. & Delivery: As You Wish Specification: White surface-mount back boxes have knockouts for cable entry and trunking White surface mount back boxes with knockouts for cable entry & trunking. The single gang WB30S back box measures 87mm x 87 x 26mm and the double gang WB30D back box measures 87mm x 148mm x 26mm. Blanking plates are also available for both sizes. The WB37S single gang wall box is suitable for the Excel range of Data outlets (C5E-702 and C5E-704). Surface Mount Single gang 87mm x 87mm Double gang 87mm x 148mm Knockouts for cable entry Blanking plates available.