Split pins are really only a use it once type of item. The plating soon loses its lustre and the machine will just look a whole lot better with these parts being replaced - especially when renewing the other related fasteners!
Other genuine Japanese manufactured pins you may wish to consider:
Make sure you order ALL the parts required at the same time and save money on our already low shipping costs! Why use a rusty battered old split-Pin when new, genuine factory ones are cheaply bought and easily fitted!