CURT Double Lock EZr Gooseneck Hitch, 2-5/16-In. Flip-Over Ball 30K, Fits Select Chevrolet Silverado, GMC Sierra 2500, 3500 HD Model 60680CURT Double Lock EZr Gooseneck Hitch, 2 5 16 In. Flip Over Ball 30K, Fits Select Chevrolet Silverado, GMC Sierra 2500, 3500 HD Model 60680 They've made the truck said to turn the world under its tires and the trailer that moves mountains in a day. But what about the hitch powerful enough to connect the two? The CURT Double Lock EZr gooseneck hitch boasts easier installation, easier operation and 30,000 lbs. of towing capacity to make towing that