Weber 60540 Charcoal, Spirit, Q Grill Replacement Thermometer, 1-13/16" Diameter Weber OEM replacement part (Diameter: 1-13/16" | Length of the probe is 1-1/2") Fits Weber Q 120, 220, 300, 320 Grills (2007 - 2013) Fits Weber Spirit 200 and 300 Gas Grills (2007 to present) Fits Weber Charcoal Grills To confirm model fit, please scroll down to description