eBay

Universal Pro Chain Tool by DRC Hard Ware®. Designed to break, press side plates and rivet most 420, 428, 520,525 and 530 standard and O-ring chains. Light weght aluminum body. Straight forward part construction. Conveniently stores headpin in the handle. Fits nicely in the tool box and no loose parts.

The king of the chain breakers! Please ensure the pin is as far in the anvil as possible before using as this may lead to damage to the pin.

Features:

Designed to break, press side plates and rivet most 420, 428, 520,525 and 530 standard and O-ring chains.
Light weight aluminum body.
Straight forward part construction.
Conveniently stores head-pin in the handle. Fits nicely in the tool box and no loose parts.
Replacement chain cut pins available.