Chainsaw Chain Breaker and Spinner Combination with Adjustable Anvil Long lever action handle to break the toughest of chains Different anvils to accommodate 1/4", 0.325", 3/8", 0.404", 7/16" and 1/2" pitch Fast, effortless rivet spinning, with built-in thrust bearing for low friction Chain guides are height-adjustable for easy centering Heavy duty steel base plate with mounting holes