Used working Thermolyne midget type SP10105B hotplate/ stirrer. Hot/stirring plate aluminium 3.5x4 inches. The speed regulator and the temp regulators works fine. The descriptions and photos represent best efforts to convey information and our opinions about a product.We expect some items to have limited functionality and/or require repairs. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Mixers, Shakers & Stirrers\Magnetic Stirrers & Hotplate Stirrers"." and is located in this country: US. This item can be shipped worldwide.