: Just need to drill a 1-1 / 4 " hole in side of grills Make from durability and heat resistance food grade Rubber, our Probes grommets long terms the perfect barbecues with our rubber meat Probes grommets Great for backyard parties, family gatherings, and outdoor picnic Thermometers Probes Grommets Holds the probes and wire well No longers have to worry about crimpings Probes wire under lid The small round hole suitable for small probes and the larger slot port is great for large / double probes