Need a little extra length on your Harbor Mate Personal Watercraft Dock. No problem. The Harbor Mate Dock Extension will extend your dock out past shallow inclines so that you can easily load or unload your jet ski or other personal watercraft. This extension is manufactured in high-strength, lightweight aluminum that will never rust despite exposure to fresh or salt water. The stainless steel hardware is corrosion-resistant and maintenance free. It installs in the center of the Harbor Mate dock PWC-RAMP and comes with a sturdy 3 ft. W foot for extra ground stability. 4 rollers per side on the extension provide cushion and friction-free movement for your craft, reducing the risk of scratches and scrapes. This extension will add 5 ft. to the center beam of your Harbor Mate dock. When installed, the dock and extension can support up to 1,000 lbs. The legs can be adjusted incrementally to compensate for different shore heights.