TACO Aluminum Quick-Release Fender Lock f/Pontoon Boats [F18-0186VEL-1]Aluminum Quick Release Fender Lock for Pontoon Boats The Aluminum Quick Release Fender Lock for pontoons a fantastic addition that makes setting fenders fast and easy. Designed for square tube, simply set your fender line to your preferred length, attach to the fender lock, and insert into the fitting. When you're ready to set off, simply push the button, remove the pin, and stow. Features: Manufactured from 6000 series Aluminum Designed for pontoon