Heavy Duty- 2-5/16-inch ball has max towing capacity of 12500lbs, 2” ball for max 8000lbs. You can have heavy loads such as heavy trucks or RVsFor Most Trailer- 2" receiver is perfect fit most connector of trailer, rear bumper, and dual receiver extender with the same size, Shank can be adjusted according to your actual needsDrop and Rise- 8" drop/rise hitch offer flexible adjustment. The locks hold hitch ball in place and make a quick system with keysSafe and Smooth Towing - For a smoother and safer ride when towing a trailer, this adjustable trailer hitch is sourced from alloy steel, stronger and more reliableCustomer Service- If you have any problem with AUH products, please contact us for best customer service, we will solve your problem as soon as possible Product Description Easy to Install Lock on Shank 8 Inch Drop and Rise Mount Ball Towing Long lock for ball mounting Short lock for shank mounting Tips: If the locks don't fit, please remove the sealing rings. 2” and 2-5/16-Inch 2 balls Different towing loading for different balls, please check before travel Drop/Rise 6 inch 8 inch 8 inch Anti-Rattle Clamp 1-7/8” ball 2" ball 2-5/16" balls Fit Shank 2 x 2 inch 2 x 2 inch 2 x 2 inch Track Page Views WithAuctiva's Counter