90PX chain is ideal for small, low powered saws. Micro-Lite narrow kerf cutting systems increase efficiency, needing less power from the saw. Low vibration, low kickback Chamfer Chisel cutters offer outstanding performance. LubriTec keeps chain and guide bar oiled for less friction and longer life. Top-plate filing indicators make accurate sharpening easier. Always use Micro-Lite narrow kerf chain in combination with Micro-Lite bars.