Weber # 60393 Genesis/Summit Thermometer without Tab Weber part # 60393 Summit or Genesis Thermometer without Tab Does not include the tab to secure the thermometer to the lid from inside. Does not include the bezel. Diameter of thermometer: 2-3/8". Length of prong is 1-3/4". Please visit Weber's website at http://help.weber.com/schematics/#serial-number to ensure you order the correct parts for the specific year of your grill model. Parts can appear to be identical but not fit certain year models. It is best to look up by serial number. The link will also help you find the alpha-numeric serial number.