Cal-June 16 Dock Wheel Bumper with Straight Bracket This smooth rolling dock wheel provides a substantial cushion in the most troublesome tides, currents or fresh breezes. Featuring the finest heavy-duty vinyl wall construction with hot-dipped galvanized or epoxy coated steel hardware throughout. Equipped with molded valve for adjusting the air pressure and a 2 diameter axle for stabilityand durability. Measures 16 in diameter x 6 high. Straight mount. California Residents WARNING Cancer and Rep