These mounting brackets are designed to attach a 100mm diammeter pole carrier to the A-Frame Chassis of a Trailer, Caravan, Pop Top or Camper. Designed to fit a chassis with height of 100 to 150mm, these bracket will fit most RV A-Frames. Pole Carriers are an ideal storage place for fishing rods, pool noodles, awning rafters, AFKs & annexe tent poles. They can also suit trade applications. Features & Specifications Come complete ready to bolt on to either 100mm or 150mm chassis on your caravan or camper trailer. Brackets are made of zinc plated steel Easy to fit and secure to the Caravan A Frame Please note: These brackets are designed to hold the pole carrier on top of the chassis / draw bar. They are not designed to carry the weight of the pole carrier underneath the chassis / draw bar