The Chicago Pneumatic CP854E is a -Inch CP Classic-Inch heavy duty grinder with 12,000 rpm and a M10 (metric10mm) spindle for use with 5-Inch depressed center grinding wheels. This powerful grinder has a powerful .6 HP high performance motor and is excellent for grinding in tight quarters. It is a rugged tool with low weight for operator comfort. Excellent for weld preparation and smoothing, rust removal, debarring and blending steel, cast iron and aluminum. 12,000 rpm, Weight 3.7 lbs., avg air consumption 12 cfm, 24 cfm under load, length 9-Inch. All -Inch CP Classic-Inch tools come with the standard 1 year warranty but can be extended to 2 years by registering on-line.