This listing is for two (2) 1-1/2" id tailwheel fork washers used on the International and World Agritech (WAC) Im Series Rotary Cutters. They used one washer below and one washer above the tailwheel mounting tube on their rotary cutters. They also used a 1-1/4" id washer on their later model mowers so check to see which you need, 1-1/2" or 1-1/4". The 1-1/4" washers can be found in our online store. We also offer the replacement segmented wheels and several hubs that are compatible with these mowers as well as replacement forks! If you are not sure if this unit will fit your mower please contact us and we will be glad to help make sure this will fit. We can also help you pick out the correct mounting hub to meet your mounting needs. We sell many replacement rotary cutter 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 BAP-1.5TWTW 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.