I make use of a belt sander having a worn out 100 grit belt on it and acquire them very sharp. To finish it out, some laps on a strop board from Woodcraft and they'll make the hair will fly off of my arm. They are really softer steel - http://buck-brothers-chisels-rev27150.mpeblog.com/11226526/an-unbiased-view-of-buck-brother-chisels-for-sale