Has anyone used the Oregon 511A and the 511AX?
WEBAug 16, 2014 · The difference between that one and Oregon 511AX, is that it does not have the wheel wear feature. 'Better' is a matter of preference, just like between brands and models of saws. The 511AX claims to have a selfcentering vice, and can do chains up to 3/4 pitch. Centering the vise on the 511A is manual. What is nice about the parallel .