Sparex source: https://us.sparex.com/top-link-heavy-duty-cat-3-3-knuckle-and-q-r-hook-m40-x-3-00-tube-length-18-57-64-149849.html Product: Top Link Heavy Duty (cat.3/3) Knuckle And Q.r. Hook, m40 X 3.00, Tube Length: 18-57/64'' - Sparex S.149849 SKU: S.149849 Listing note: Tube Length: 18-57/64''Min.: 27-9/16''Max.: 37''Thread size: M40 x 3.00 Detail enrichment pending: OEM cross references, fitment, catalog pages, and full specifications.