This listing is for one replacement Land Pride rotary cutter gearbox hardened washer code 0.139.7101.00. This hardened washer is used on the output shaft of the gearbox and is directly above the castle nut used to hold the blade carrier onto the gearbox. Fits all gearboxes with 30mm threaded shaft on the bottom of the gearbox and is used with a 8.2.2.00555 which can be found in our online store. Washer dimensions: 30.5mm ID X 56mm OD X 6mm Thick Used on 63 different Land Pride Gearboxes! Replaces: 0.139.7101.00 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. 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.