Horizontal releasable arm stay for bottom hung casement in stainless steel 304, galvanized zamak base, 2 stainless steel 303 grub screws, 1 grub screw M5x6 and 2 grub screws M5x10 in stainless steel, 1 nylon sliding guide, 1 nylon stopping block. Fit for profiles with clearance mm 21÷31,5. Application field: Upper side horizontal assembly. Casement minimum height: 400 mm – Maximum width: until 1200 mm with 1 arm, up to 1200 mm with 2 arms. Bottom hung casement maximum opening: 200 mm. Groove of the leaf: 20 or 23 mm. Weight capacity: 1 arm 50 Kg., 2 arms 70 Kg.