These high speed stirrers are designed and engineered specifically to meet the continuous demands of heavy industrial use. The heart of the high speed agitator line is the high performance Brushless Direct Current (BDC) motor. A unique two speed transmission provides incredible amounts of power. High speed stirrers are quiet, dependable, maintenance free and ideal for continuous use. Included in each purchase: Overhead stirrer motor, chuck, chuck guard, chuck key, support rod, power cord, and manual.