Enables you to have a quiet and smooth voyage;Assembled with a specially formulated high temperature Moly grease to resist friction and wear;Premium grade neoprene boots are used to resist abrasion and temperature erosion;CNC machined with their components to ensure the proper tolerance, guaranteeing a long and dependable life;Compressed Length is 26 51/16, Outboard Joint Spline Count is 29, Inboard Joint Spline Count is 29, Inboard Joint Type is Male