Dock Edge Torpedo Bumper 18" White. These large, durable bumpers add an attractive and functionally rugged cushion to the leg pipes of your docking system. Fabricated from the same Quality material as our Dolphin fenders, each weighs a rugged 2.7 lb. and measures 18" tall with a diameter of 5". Place them on dock leg pipes over the mounting brackets to prevent damaging your watercraft from protruding bolts.