This listing is for one segmented rotary cutter tail-wheel the measures 20" in diameter and 5.25" wide.This tailwheel is made up of segments of truck tires and is virtually impervious to damage by debris thrown from your mower. These segments of rubber are head together by a stainless steel band and are press fit into the two piece rims. These tire/wheel assemblies are 20" in diameter, 5.25" wide and have 5 lug mounting on a 5" bolt circle. This tire and wheel has been used by Bush Hog, Woods, Alamo, Rhino, Sidewinder, Modern, Continental Belting, Tebben, Gearmore, WAC, HawkLine, Behlen Country, King Kutter, Big Bee, Wallace Auto, Kodiak, TN River Implement and more companies. These are high quality rugged constructed replacements that will provide years of trouble free service. 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. Specifications 5-1/2" Bolt Circle with 5 Lug mounting 3-1/4" Bolt Hole Centers for hub mounting 20" Diameter 5.25" Wide Made from segmented rubber commonly referred to as a "6x9 tire and wheel". 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: 6X9-5 Lug 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.