This Oregon saw chain is a high performance product designed for professional users. U.S.A. Key Specs Chain Pitch (in.) .325 Chain Gauge (in.) .050 Chain Type 20P Length (ft.) 100 Additional Specs * High performance chains are designed for professional users * Top performing square corner "chisel" cutters sever wood fibers in a single pass * Upgraded cutter grind results in significantly enhanced out-of-box sharpness * Corrosion-resistant chains include bumper drive links to reduce kickback and vibration