With this assembly kit you can easily mount the roof on your inflatable boat. The assembly tool set consists of 2 PVC base plates. The plates must be glued once on the boat and the screws and the nuts of the T-bar are also included. The bimini top can fit perfectly on this universal mounting kit. Material: PVC Diameter: 8.5cm Suitable for inflatable boat The delivery contains: 2 x round base 2 x T-bar screw and nut 1 x glue