Replacement bolt and nut used to mount double flex coupler pads to a flex coupler. Replaces Landpride 6411680 bolt and 6410716 nut. It tales six nuts and bolts per flex coupler to mount the dual pads. We also have shorter bolts and nuts listed in our online store for flex couplers with single pads. Used on the following Landpride flex coupler assemblies: 826-054C, 826-214C, 826-224C and 826-334C. These are M16X80 bolts and nuts We sell all of the replacement parts for the Land Pride rotary cutters. 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 Codes: 6411680 / 6410716 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.