This listing is for one replacement Heavy Duty Post Hole Digger (PHD) PTO shaft! Series 4 metric spec Post Hole Digger PTO shaft measures 51" overall length when closed, features a 1-3/8" 6 spline yoke on the tractor end with a quick disconnect button and 1-1/4" smooth bore yoke with a 3/8" shear bolt hole and a locking set screw on the implement side. Fits most brands including Bush Hog, Land Pride, King Kutter, Kodiak, Rhino, Work Saver, Greenline, FED, International Digger, LMC, and many more. When fully extended this shaft will reach 76". If you are not sure if this PTO shaft will fit your Post Hole Digger please contact me and I will be glad to make sure it will fit! Specifications Heavy Duty Series 4 Metric 1-3/8" with Quick Disconnect 6 Spline yoke Tractor End 1-1/4" Smooth Bore with 3/8" Shear Bolt Hole and 1/4" Locking Set Screw (Included) Implement End Complete with Shielding Replaceable Cross and Bearing Kits Fits most PHD units with 1-1/4" Smooth Gearbox Input Shafts We sell most replacement PTO parts. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Replaces Part Numbers: TX4-1100-PHD We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information.