Clockwise from Top
SD-273599 - 4-1/2" slide bracket
SD-273660 - 1" slide bracket
SD-273565 - slide mount jaw

These parts represent another option for a difficult bimini installation. Either the short or long slide bracket can be used with the jaw. In the photo below, you can see how the end cap on the bimini fits into the slide mount jaw which itself slides along the slide bracket.