Replace your worn tiller tines with these Boron Steel Italian made replacement tines for Land Pride RTA 12 Series Tillers equipped with 4 tines per rotor flange. This listing is for one complete set of tines, a total of 2 tines, one (1) each left hand and right hand. Fits: RTA12 Series tillers that have 4 tines per flange assembly. These tines are 6mm thick and 2-9/16" wide and have 1/2" bolt holes that are spaced 1-9/16" on center and are 6mm thick and are a "C" shaped tine. Replace your worn tiller tines with these Boron Steel Italian made replacement tines for Land Pride RTA 12 Series Tillers equipped with 4 tines per rotor flange. This listing is for one complete set of tines, a total of 2 tines, one (1) each left hand and right hand, that will fit the RTA12 Series tillers that have 4 tines per flange assembly. Note: Fits RTA Series Tillers with Serial Numbers of 884765 and Above, RTA Series Tillers with Serial Number 884764 and Below will use the 820-055C and 820-056C Tines also listed in our online stores. These tines are 6mm thick and 2-9/16" wide and have 1/2" bolt holes that are spaced 1-9/16" on center and are 6mm thick and are a "C" shaped tine. We sell replacement tines and parts for most brands of Roto Cultivators, if you don't see them listed here please feel free to give me a call. Part Numbers: 820-329C / 820-330C 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.