A touch-screen center finder is a tool that can be used to locate the center of a specific area on a surface. Synonyms for this tool could be a digitizing tablet or a precision measuring instrument. It could also be referred to as a touch-sensitive measuring device or a center-finding tool. Alternatively, it could be called a touch-screen surface scanner or a precision location tool. Other possible synonyms might include a touch-sensitive mapping device or a high-precision measurement tool. Ultimately, the most effective synonym for a touch-screen center finder would depend on the specific use case and the industry in which it is being used.