Make your dock level with the Dock Edge Empty Howell 400 lb Dock Float. Made of high-impact resin that is rotationally-molded and featuring UV inhibitors, this dock float offers lasting durability. This versatile float has a flotation capacity of 400 pounds and can be used to eliminate dock twisting and gain freeboard. Dock Edge Empty Howell 400 lb Dock Float - Mrne Rope And Tie Downs at Academy Sports