Feature●82cm guide bar, .404" Pitch, .080" Gauge, B149 Bar Mount●Superior durability and outstanding spring back●Rigid and durable in design while simple to replace●Helps reduce operator expense by extending the usable life of the most expensive part of a bar - the body●Features large diameter rivets to reduce the risk of rail spreading at the noseDescription Harvester replaceable sprocket nose (rsn) bars from Oregon have motor-mount configurations to fit the most popular applications & deliver superior performance in high-speed conditions Common to mechanical harvesting. The rsn maximizes bar life because felling accidents & nose failures no longer mean incurring the expense of replacing the entire bar.