2-Pack Genuine Husqvarna X-Cut 18" Chain Loop 581643672 325 Pitch 50 Gauge Replaces H30-72 Fits 336 339XP 340 345 346XP 350 351 353 435 440 GOBlower The blades can be re-sharpened

The blades can be re-sharpened or replaced for extended tool life

With the outstanding reach of up to 4 meters

The hard-chrome-plated saw blade has impulse-hardened precision toothing with triple grinding

Replaces: Husqvarna Part #s 405455

2-Pack Genuine Husqvarna X-Cut 18" Chain Loop 581643672 325 Pitch 50 Gauge Replaces H30-72 Fits 336 339XP 340 345 346XP 350 351 353 435 440 GOBlower The blades can be re-sharpenedSemi chisel cutter: Round corner cutters (S) provide easy maintenance and good stay sharp properties. This cutter profile is more forgiving regarding filing angles and less sensitive to dirt than full chisel cutters. Suitable for all chainsaw users. Pixel chain: Pixel chains and guide bars, with narrow chassis, provide a narrow cut, low weight and enhanced cutting efficiency. Low kickback: Guarded drive link (G) means less prone to kickback and easier