Analog Hotplate, 7.5 x 7.5 inch, 115V, Cat. No.: BM-H4000-H, Benchmark hotplates, stirrers and hotplate-stirrers feature an exceptionally durable, chemical resistant white ceramic work surface. Their space-efficient design (8 X 9 in. footprint), makes them ideal for use on crowded benchtops and inside of bio-hoods. Ceramic work surface, 7.1 x 7.1 in., Stir speed from 60 to 1500 rpm, Temperature control up to 380°C, Three models: heat-stir, heat only or stir only