The Frey Scientific 1324336 Advanced Ceramic Stirring Hot Plate has a one-piece ceramic top and a microprocessor control for heating glassware and contents to between 5 to 500 degrees C, stirring between 60 to 1600rpm, includes a seven-inch square hot plate with a chemical-resistant, easy-to-clean, reflective white surface, and has an illuminated LED digital display, a built-in support rod holder with locking knob, and a heat-resistant polymer body. Hot plates are used to heat glassware and contents in laboratories.