66 3/4" x 10 3/4" - Tandem axle fender skirts. Constructed of durable high-impact ABS plastic. Fits various Sunnybrook & Winnebago brands. Slide out split is molded into the part. 1/4" Slide Gap included in the "F" dimension. Individual pieces are 38 1/4" and 28 1/4". Measurements A: 52 1/4" B: 5 7/8" C: 10 3/4" D: 6 3/4" E: 8 3/4" F: 66 3/4" Check your measurements and compare them to the drawing above to verify fit for your RV.