there grinder set up . still not sold on grinder yet the bar for filling rakers buy hand seems faster and all teeth are not same length yet . dont what grinde them all same waste to much chain for all the rock i hit . they do cut straight. i been not worrying about length of tooth and bucking billy ray and a logging buddy of mine was right dont got to be same length to cut straight . still experimenting with angles i seem to like 25/55/10