90PX chain is ideal for small, low powered saws. The Oregon AdvanceCut Saw Chain is ideal for landscapers and homeowners using small, low powered saws, because it offers higher chain efficiency. The .043 gauge narrow kerf cutting systems increase efficiency since they need less power from the saw than standard cutting systems. This chain fits Echo, Ryobi, Craftsman, Husqvarna Makita, Milwaukee and more.