High temperature rated grommets for Weber Smokey Mountains, kettles, and stacker conversions with 1/16 inch panel thickness are: Weber 85037 Grommet which requires a 1 1/4 inch cut hole; Mil Spec 5 Grommet, Silicone, 3MRT1 which requires a 13/16 inch cut hole; or Mil Spec 5 Grommet, Silicone...