The FulTymeRV A-Frame Trailer Coupler is easy to install and operate. It fits A-frame trailer tongues and 2 inch hitch balls, and features a spring-loaded collar with lock and pin. A durable gloss black finish protects from corrosion and wear. FulTyme RV brings you high-quality products dedicated to meeting the everyday needs of the full-time RVer. Whether you need lighting, electrical, cleaning, bathroom, or trailer products, FulTyme RV has the right product at the right price to get you back on the road and keep you there.