Replace your worn tiller tines with these Boron Steel Italian made replacement tines for Land Pride RTA 20, RTR20, RTA25 and RTR25 Series Tillers equipped with 6 tines per rotor flange. This listing is for one  complete set of tines, a total of 42 tines, twenty one (21) each left hand and right hand, that will fit the RTR2555 tillers that have 6 tines per flange assembly.These tines are 6mm thick and 2-1/2" wide and have 1/2" bolt holes that are spaced 1-3/4" on center. These tines measure 8-1/2" from the tip of the cutting edge to the top of the tine measured straight across the tine not around the bend