This member of the Caframo overhead stirrer line is the ultimate in compact design measuring only two by four inches. With its amazing capabilities for its size, the BDC250 can be used in formulation, R&D, clinical research, education labs, anywhere a magnetic stirrer is used. It fits into small spaces and can be easily transported to other labs or classrooms. Everything you need is included with each purchase! Included in each purchase: Overhead stirrer motor, integral clamp, keyless chuck, external power supply, grounded power cord, stand, axial and radial mixing blades, mixing shaft, manual in four languages (English, French, Spanish and German) and three year warranty.