These high torque stirrers are designed and engineered specifically to meet the continuous demands of heavy industrial use. The heart of the line is the high performance Brushless Direct Current (BDC) motor. A unique two speed transmission gives the liquid mixer homogenizer incredible amounts of power. These stirrers are quiet, dependable, maintenance free and ideal for continuous use. Included in each purchase: Overhead stirrer motor, chuck, chuck key, support rod, external power supply, grounded power cord, stand, clamp, and 2" propeller. Our lab package contains everything needed to test mixing in a laboratory or small batch setting. Our laboratory impellers are designed to scale to full size blades simplifying the transfer from testing to full scale production. Mixer Direct offers a large range of impeller types and sizes to fulfill every mixing need.