Set Contents: E5 Series Hayabusa Dedicated Coupling Parts x1 E5 Series Hayabusa Dedicated Coupling Cover x1 Dedicated Coupling Parts x2 (including replacements in case of breakage) E6 Series Komachi Dedicated Coupling Parts x1 E6 Series Komachi Dedicated Coupling Cover x1 Dedicated Coupling Parts x2 (including replacements in case of breakage) Hayabusa and Komachi set: 900 yen MAX Dedicated Coupler Set (see photo) 750 yen 50 yen discount for combined purchase *Vehicles not included *Even if the coupling parts are damaged, they can be easily replaced by removing the screws. Please tighten the screws gently. Overtightening can strip the threads.