Oregon 91VXL advanced low-profile chainsaw chain has an extra-long cutter top plate; 33% longer than standard 91 cutters. Its advanced grind geometry is improved out of the box and gets high performance in all cutting modes. LubriLink™ help keeps oil where it’s needed, on the chain. It directs oil to the critical rivet flange/hole interface. Lubriwell™ helps carry oil around the full length of the guide bar’s groove. Enhances lubrication of the bard nose sprocket and bearings.