OEM Eurocardan Series 5 metric 1-3/8" X 6 Spline quick disconnect yoke, can be used on either the tractor end or the implement end. Use this yoke to replace all Eurocardan Series 5 PTO yokes with push button, twist collar or slide collar disconnects. Why replace your PTO shaft when just the yoke or locking button is bad, these can be replaced with common tools. This is a high quality OEM part, not a China piece. Holes for 30.2mm (1.19") bearing caps with retaining ring grooves 80mm (3.14") apart.