This 12 wall bracket is suitable for mounting a small up to 50cm satellite dish or aerial up to a recommended height of 6 it can be used where an aerial needs to be mounted to a wall with a larger roof overhang can take masts up to 2 in diameter galvanised for all weather protection stand off 10 254mm from wall requires 2 x u bolts not supplied 40 x 40 x 3mm hd angle iron arms and backs plus mid support of 25 x 5mm solid bar for maximum torsion strength one piece steel bracket galvan