These are spare suspension shafts that are used in the TRF420, Tamiya's state-of-the-art 4WD touring car race chassis. - 3x43mm Suspension Shafts x4 - Stainless steel material. - Compatible with TRF420, TB Evo.6*, FF-03 EVO* and TG10-Mk.2FN* chassis cars. - Note: *These chassis can only use the shafts on the front (2pcs.).