Sparex source: https://us.sparex.com/pto-yoke-quick-release-u-j-size-27-x-70mm-size-1-3-8-21-spline-6019.html Product: PTO Yoke - Quick Release (u/j Size: 27 X 70mm) Size: 1-3/8''-21 Spline - Sparex S.6019 SKU: S.6019 Listing note: Series AB3/A3, AW11/W1 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.