Dockmate Complete Dock and Boat Protection SystemThe next time your boat comes into your slip or alongside your dock during adverse conditions, or perhaps with a less experienced hand at the helm, youll be glad you have the advantage of Dockmate Profiles to protect your boat and dock. Prevent expensive damage to boat and dock and protect your hull against unsightly scratches and hard-to-remove scuff marks with Dockmate Profiles. Dockmate Profiles are constructed of flexible, marine-grade PVC which will not chip or crack from temperature extremes and are unaffected by oil, gas, or saltwater. UV inhibitors prevent yellowing and deterioration from sunlight to help maintain a clean, professional appearance. This heavy-duty profile has a full backing for strength and lasting endurance. Mounting screws sold separately. Typical installation requires about 4 screws per running foot.