4 1/2in by 5 1/2in surface. The item "Corning PC220 Stirrer/Hot Plate" is in sale since Thursday, June 24, 2021. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Other Medical & Lab Equipment". The seller is "biotechnicalservicesinc" and is located in San Diego, California. This item can be shipped to United States.