72 3/8" x 13" - Tandem axle fender skirt. Constructed of durable, high-impact ABS plastic. This replacement fender skirt is textured. Replacement fender skirt for Keystone Laredo, Keystone Challenger and other Keystone Fender Skirts. Measurements Corresponding to our Measurement Form: A: 44 3/4" (from hole to hole, as shown in diagram) B: 8 1/8" C: 13" D: 5" E: 7 1/4" F: 72 3/8" Check your measurements and compare them to the drawing above to verify fit for your RV. Designed for a specific fit to match certain makes & models of RVs Upgrade or replace your RVs fender skirts with industry leading quality fenders from ICON | Icon Technologies Fender Skirt, Tandem, Keystone, FS774, Taupe | ABS Plastic