Amazon.com: NATSTEEL ATTACHMENTS Quick Hitch Adaptor Top Link for Tractor 3 pt Quick Hitch -3 Point Quick Attach Category 1 - Cat one Top Link Quick Hitch Adapter Bracket with Adapter Sleeve. :
Amazon.com: Hildirix Versatile Quick Hitch Adapter Used to Adjust Top Link Bracket Movements Fit for Category 1 Quick Hitch : Automotive
SpeeCo Quick Hitch Adapter for Category 1 Tractors S14114500
Pair! Cat 2 Quick Hitch Adapter Bushings, Category II, Tractor 3-Pt, B | ToolTuff Direct