Marine Slides 3"x15" Black *10-PackMakes launching your boat or watercraft easy, slides effortlessly off bunks, and into the water.Features: The unique profile provides extra cushioning between the boat and trailer bunks. Washout channels flush sand and debris off the slides and away from the hull. Safer unloading and loading because of reduced friction and stress by 400% on the trailer cranking mechanisms, ropes, and hull bow hooks. Allows you to unload and load your boat or watercraft in shallower water. Fast and simple installation for both horizontal and vertical bunks. Made from a low-friction composite that is impervious to sun, weather, and saltwater. Excellent for use on work stations, lifts, boats, and watercraft dollies.