A:AnswerHi Asia - Thanks for your interest in Café! These knobs are designed exclusively for use with Café gas cooktops, therefore dimensions are not listed. Please provide the model number of the Café Cooktop you are interesting in purchasing so that we can check compatibility. You can also reach out to us at cafeappliances.com. Explore our Café Customizable Professional Collection: https://www.cafeappliances.com/collections/customizable-professional - We look forwarding to hearing from you soon! Sue
