Fits 2005-2017 F250/F350 Wheels THESE DON'T FIT ANY DUAL REAR WHEEL MODELS Will fit only the 17", 18", and 20" wheels as pictured REAR center caps with closed hole for 4x4 hub. With CLOSED Center MADE TO FIT WITH EXACT OEM SPECIFICATIONS. BACKSIDE MEASURES APPROX 8-5/8" These snap on over your factory lug nuts, just like the original center caps do. Be sure you have 1 of the wheels pictured AND check the measurements we provided to make sure they will fit your rim. THESE DO NOT FIT DUAL REAR WHEEL MODEL TRUCKS.