Features and Benefits: 5/8" chuck and key Work surface dimensions: 11-1/2" diameter 3/4 Horse power motor - belt driven Power source: 115 volt Speeds range: 200-3850 RPM Speeds change by way of a leverWide base for stability. Maximum height adjustment: 61-13/16". Shipping weight: 146 lbs. UL and CSA listed.....(more info)