http://tinyurl.com/lgecf3v<P>Timber Tuff CS-BMM Benchtop Electric Chain Saw Chain SharpenerProduct Review<P> Click on the link for more reviews<P>Motor: Series wound 230V, 50Hz; 110V, 60Hz<P>Motor input power: 85 Watt<P>Maximum speed: 5600 rpm<P>Includes short circuit protection<P>Includes one 3/16-Inch grinding wheel<P>