1. Good probe port: The thermometer probe grommet can hold the probe and wire well. No need to worry about the probe wire crimping problem under the cover anymore. The small round hole is suitable for smaller probes, and the larger slot port is perfect for large probes or dual probes 2. Perfect for : Perfect replacement parts for Smokey Mountain Cookers (14inch, 18inch and 22inch. Size: 1.65inch overall diameter, 1.25inch hole diameter, 0.35inch thickness (Tip: suitable for metal plates with a thickness of 0.04inch) 3. Sturdy material: The grill probe port accessories are made of high-quality, high-temperature , Good sealing and tight fit. 4. Easy to install: Just drill a 1-1/4inch hole on the side of the grill. Use: Cooking/Baking/Grilling Colour:Photo Color Material:rubber Package Contents: 4 x Grill Probe Washers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.