This durable and accurate 12 volt grinder offers an economical way to sharpen your saw chain accurately and quickly. Runs on a standard 12 volt auto-type battery. Attractive packaging includes 3 sizes of sharpening stones: 5/32", 3/16" and 7/32". Direct Drive. 20,000 RPM motor"
Powered by alligator clamps (attached) whith clamp to any 12 volt battery.
The ultimate weapon against frusteration when you cant get it sharp by hand filing
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