Stabilization profile for mounting a device duct on wall bracket GBKV..., hole 7x62 mm and 9x62 mm on the connection side of the stabilization profile corresponds to the back system hole of the device duct bases, including fastening screw ZKM 6X16 for the duct mounting. for device duct bases: GKU 213... GKU 220... DKU 220... Stabilization profile material: steel, strip galvanized according to DIN EN 10346 Screw material: steel, electrogalvanized according to DIN EN ISO 4042