850 x 200 x 15mm, made of aluminium, colour white, concealed fixing. Fixing material for fixing of lift up supports and wall support on the mounting plate is enclosed. Supplied without screws (6-8 mm dia.) for wall fixing. for fixing of lift-up support rail 347, 437, 447 series, support rail 367, 467 series, shower guard rail 447 series, on lightweight partition wall or walls made of perforated brick, if supporting area of hinge with 200 x 132mm is not sufficient. Site conditions should be taken into consideration when selecting type of fixing required. Installation has to be carried out by professionals.