CURT Fusion Trailer Hitch Mount with 2-Inch Ball & Pin, Fits 2-In Receiver, 7,500 lbs, 4-Inch Drop Model 45154CURT Fusion Trailer Hitch Mount with 2 Inch Ball & Pin, Fits 2 In Receiver, 7,500 lbs, 4 Inch Drop Model 45154 Arm yourself with confidence with a CURT Fusion ball mount. Much like our loaded ball mounts, CURT Fusion mounts come with a trailer ball pre attached to the mounting platform to provide a ready to tow solution right out the package. Unlike a loaded ball mount, however, a Fusion ball mount features a trailer ball that is permanently fixed to