Single round steel fender with skirt the TOW ZONE single round steel fender is a round fender with radius edges for single axle trailers. Made from 16-gauge Cold-Rolled steel. Sold as single unit. Made in U.S.A. Dimensions L x w x H (in.): 31 1/2 x 10 x 13, fender material: steel, fender style: round, fits wheel size (in.): 14-15.