With every cut, your reputation is on the line. That's why Oregon has spent generations engineering the sharpest, fastest, professional cutting systems in the world. Day in & day out, the powerful 70-series ex full chisel cutters help you power through timber with Speed, efficiency & precision. With a reshaped cutter & multi-axis grind technology for superior performance, sharpness & consistency; excel is now the top option for professional woodcutters who use 3/8" pitch saws (replaces 73Lgx) designed to maximize every cut, our proprietary cutter technology gives users a sharper, more durable cutting edge that provides increased cutting performance with less effort.