Oregon 68JX is part of the PowerCut product line of professional chainsaw chains. This fast cutting skiptooth chain is designed to be used on large professional chainsaws, where cutting speed and chain toughness are necessary. 68JX works best in clean cutting conditions, where there is limited contact with dirt and other abrasive materials. 68JX chainsaw chain has the LubriTec oiling system to help keep both the bar and chain well lubricated. Easily sharpens with a 7/32" round file or 3/16" grinding wheel.