This listing is for one replacement output seal the replaces Omni Gear code 060001 and Fits PHD26 (2502220 and PHD50 (250121) gearboxes If you are not sure if this seal will fit your Post Hole Digger please contact me and I will be glad to make sure it will fit! We sell most replacement PHD 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: 060001 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.