Amazon.com: XPE Trailer Hitch,Fits 3-INCH Receiver, 6" Drop/Rise Drop, Chrome Plated Steel Tow Balls (2''X2-5/16''), Heavy Duty Adjustable Ball Mount - 21,000 Gtw with Trailer Locks, Silver X-313006 : Automotive
TowSmart Class 3 5,000 lb. 5-1/4 in. Drop, 4 in. Rise, 1 in. Shank X-Mount Reversible Trailer Hitch Ball Mount 702 - The Home Depot
Weigh Safe WS6-3 Adjustable Hitch Ball Mount with Scale 3 Inch Shaft - 6 Inch Drop - Walmart.com
Gen-Y Hitch Tundra Mega-Duty 3-Inch Receiver Hitch 32K Adjustable Ball Mount; 9-Inch Drop GH-1724 (Universal; Some Adaptation May Be Required) - Free Shipping
Shocker 20K Impact Max Cushioned Sway Control Tab Drop Ball Mount – 0″ to 7-1/2″ Drop
CURT Class 4 10,000 lbs. 6 in. Drop Trailer Hitch Ball Mount Draw Bar (2 in. Shank, 9-3/8 in. Long) 45336 - The Home Depot
Weigh Safe Aluminum 10" Adjustable Trailer Hitch for 3" Receiver w/ Built in Weight Scale - 21,000 lbs GTW WS10-3 - The Home Depot
Amazon.com: LOCAME Trailer Hitch, Fits 2-Inch Receiver, 6-Inch Drop/Rise Drop Hitch, Class 3 Tow Hitch for Heavy Duty Truck with Double Pins, LC0010 : Automotive