Reese Trailer Hitch Ball Mount, Fits 2 in. Receiver, 4 in. Drop, 2.75 in. Rise, 7,500 lbs. Capacity, Black - Eureka, CA & Ferndale, CA - Nilsen Company
Draw-Tite 40346 Ball Mount 6" Inch Drop & 4-3/4" Inch Rise 6,000lbs, Fits 2" Inch Hitch Receiver
Rigid Hitch (CHE-4) Tow Bar and Accessory Receiver - 4 Inch Drop/Rise - 10,000 lbs. Tow Capacity - 500 lbs. Vertical Load - Made in USA
Trailer Hitch, 5000lbs, 2 Inch Rise, 3-1/4 Inch Drop – sulinjixie.com
Hitch Adapter Trailer Hitch Extension Riser with 4 Inch Rise and 3-3/8 Inch Drop for Class I and Class II Receivers - China Adapter, Trailer Hitch | Made-in-China.com