The carasat is designed to fit most satellite dishes to a caravan jockey wheel it is also possible to fit the mast brackets to vertical surfaces for example on narrow boats static caravans fence posts vehicle panels etc comes with adapter to fit sky dish to mast mast length 60cm2362 mast diameter 3cm 125 max size jockey wheel fixing point diameter 236 6cm heavy duty postal tube contents1 x mast 1 x sky dish adapter 2 x jockey wheel mast fixing blocks 2 x u bolts with n