<http://schema.org/description>
"If you use your Grizzly nail gun or stapler day in and day out, these Piston Units are cheap insurance against wasted down time and lost profits. Replacement is quick and easy. Includes O-ring."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grizzly.com/outlet/Repair-Pistons-for-G6045/G9559?utm_campaign=zPage>