Constructional Features: - Ergonomic design, leightweight, simple to use and efficient low profile structure. - 120mm, 170mm and 220mm included top plate provided. - The white & black silicone cover and the non-slip strength of the rubber prevent the sample from sliding. - BLDC is less noisy and more durable than regular DC motors. - Best-in-the-class with broad range of RPM speed is reliable. - Built-in thermal shutdown and current limit protection. Additional MS-G Type Features: - Microprocessor PID controls. - Convenient program and timer modes. - Bright and vivid VFD display and responsive touch screen buttons. - Gradual start-up prevents splashing of samples. - Included M12 rod holder for clamping in samples. Multi-Position Type Features: - User friendly and timer mode allows the user to select from one point in one row, or one point in one column, one row, one column, or multiple rows or columns, with different rpm and timer settings. - Easy to read VFD control display and beautifully illuminate LED single position, multiple position, row position & column position lighting. - Non-slip through silicon place mat. - Uncompromising safety devices. - Supported various numbers of multi position stirring to meet user demands. - #304 grade stainless steel and chemical resistant top-plate.