Harrod Sport ® Socketed Posts are the preferred choice of England Netball and when installed correctly are safer than freestanding posts as there is no base to trip over. they can be removed and stored when not in use to reduce wear.Adjust the ring height to 2.44 2.75 and 3.05M.Follow manufacturer's instructions for installation.What's in the set?2 x uprights2 x 10MM rings2 x nets2 x 300MM deep sockets with integral flush lidsall bolts & fixings