Good quality T4 Pto Shaft: This T4 PTO shaft is a well-forged series4 driveline shaft with CE certification. It is made up of a solid 20CrMnTi carburized steel universal joint and a Q345 steel tube inside the protect. The PTO shafts are tough and strong in doing work with all kinds of agricultural machinery.Splines and Spherical Finishes: Tractor Conclude: 1-3/8″ x 6 Splines Execution Conclude: 1-3/8″ x Round Finish. Our bristle PTO shafts are made with 6 splined ends and are normal 1 3/8″ size to perfectly match equipment and tractors of the very same dimensions and sort, providing your equipment a outstanding push.