The Corning PC-420D is a reliable and precise 5" x 7" stirrer/hot plate designed for laboratory use. It features separate control knobs for stirring speed and heating temperature, allowing for easy adjustment of both functions. The bright digital display clearly shows RPM and temperature values to ensure accurate monitoring during use. With its compact size and sturdy construction, the PC-420D is ideal for routine laboratory mixing and heating applications that require consistent and controlled conditions. The unit is suitable for a wide variety of tasks including sample preparation, reagent mixing, and general heating needs.