Use this hardware to create a stiff arm that will hold your dock in place. We developed the "stiff arm " as an alternative to piling to anchor your dock in place. This system is excellent when you have a single boat dock that runs parallel to the shore. Its self tending and can rise and fall the distance of the length of pipe you use. 

Example: If you use a 30' pipe, your dock can rise 30' and fall 30'.

PDF Drawing