For general-purpose, high-speed, low-viscosity homogenizing and mixing. Continuously variable speed range from 500-10,000 rpm. Compact solid-state speed controller. 1/20 hp universal-type motor. Potentiometer for on/off and speed control during single-direction mixing. Takes Jacobs-type chuck with key for 1.5-10 mm (1/16-3/8"") stir shaft. Comes with 3/8” dia. x 12” long shaft, 1.5” three-blade propeller, 6"" support rod, 6"" three-wire cord, grounded plug and chuck. Stand shown is not included. Dimensions: 5 5/8""W x 4 1/4""H x 3 5/8""D. Shipping weight: 2 kg (4.5 lbs). For 115 volt, 50/60 Hz. Warranty: 2 years.