The 12 Volt portable chainsaw chain sharpener that fits directly onto the bar of your chainsaw to quickly sharpen both sides of your Chainsaw chain with ease. Ultra portable, clip onto your car or any 12V battery and you are good to go. It comes with a Chain stop, adjustable chain guides & lock stop for effortless precision work. The Chain table-vice rotates up to 35-degrees left/right with a special gauge for a perfect angle. 2 Grinding disk included, ready to use out from the box.