Click-Dry-Lining-Pattress-Boxes-Click-WA088P-p-Double-gang-pattress-box-from-Click-ideal-for-use-when-flush-fitting-13A-sockets-or-plate-switches-into-hollow-dry-lined-ie-plasterboard-partition-walls-When-the-boxes-are-fitted-into-a-suitably-sized-hole-side-mounted-lugs-are-extended-sideways-behind-the-plasterboard-and-when-the-socket-or-switch-is-fitted-and-the-fixing-screws-tightened-the-whole-assembly-is-clamped-securely-to-the-board-p-Click-WA088P-Dry-Lining-Pattress-Box-Doub