after a lot of searching online i found these mast brackets.
AV1007
i have found these brackets to be the most suitable for my needs.

Great service & gr8 team👍

Great delivery time in preparation for our next big trip

Great service nice to deal with
Item as described

quick delivery, genuine freezer door seal fits well

The diesel heater was simple to install and works awesome.

BMPRO Trek3 Caravan Management - Battery and Water on One Screen - Suitable for Lithium

Great choice of Ac recommended by the guys at everything caravan. We replaced our Dometic ac in our new van we purchase and haven't looked back, very quiet and love the internal lights keeps the whole family cool

Excellent purchase, we use this every weekend for our boys who play local sports, keeps the drinks and food cool! Optional battery pack works a treat making it very portable on the go. Thanks to the team at Everything Caravans for the recommendation!!

Ordered off web site, delivered in 3 days, correct part fitted and working, all good, Happy.

Quick delivery and item was perfect

Door Kit Replacement Water inlet - Suit Jayco Triple Water Filler White

The Truma cowl plate arrived quickly and was as described

Item was easy to order. Great price and making payment was just as easy. Delivery was quick and packed really well. No trouble with this company. Will definitely deal with them again.

Very happy with caravan hatch, fit's good, thank you