Pro Chain Tool by DRC Japan. Designed to break, press side plates and rivet most 420, 428, 520, 525 and 530 standard and O-ring chains, the DRC Pro Chain Tool does it all. – Light weight aluminum body. – Straight forward part construction. – Conveniently stores headpin in the handle. Fits nicely in the tool box and no loose parts. – Replacement chain cut pins available. Possibly the best in the market place, life time keeper.
