Sparex source: https://us.sparex.com/weasler-universal-joint-1-1-16-x-2-1-2-standard-duty-128211.html Product: Weasler Universal Joint - 1 1/16'' X 2 1/2'' (standard Duty) - Sparex S.128211 SKU: S.128211 Listing note: Series: 12 Series Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.