Portable grinding at an incredibly affordable price! Sharpen your chain right at the jobsite or in the woods without taking your bar off your saw. This little 9.6V cordless wonder features variable speed grinding up to a whopping 30,000 RPM and because its direct driven there are no belts or parts to wear out. The built-in 30' angle gauge takes the guessing out of sharpening your saw chain. Constructed of rugged high-impact plastic, this handy grinder has an easy to tighten collet, comfortable design and even features a bright LED light with an on/off switch. Includes AC charger, detachable battery pack. Stones not included. We suggest stocking up with our high-quality replacement grinding stones when you order. This grinder can accept threaded or non-threaded stones. Made in China.