This listing is for one 3/16" X 2" Cotter Pin use to retain bearing adjusting nut inside gearbox and on several other products 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 code: 12-008 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.