These press switches are used but are in working condition. The product is a Thermo Scientific press switch designed for use in various laboratory settings such as physical, medical, microbiological, and biological laboratories. The switch is specifically designed for incubators of the 11.5PR/9.5PR type, providing a reliable and precise control mechanism for these specific models. With the trusted Thermo Scientific brand behind it, this press switch ensures quality and compatibility with a range of laboratory equipment and applications.