... Easy installation, good structure Marine Fenders for Dock and Boat:Rubber fenders applicable in all kinds of shipbuilding, harbor ... like shearing, compressive, pneumatic, hydraulic, rotary, and foam-floating, super cone, cylinder, tug boat, tug-D-type, delta D, square and ... effect to prevent damage and protect the boat from impacting something harmful. Boat fenders are made from soft rubber ...