Check the listing for details. Thermometer 1/2" Npt Thread For Homebrew Boil Kettle Mash Tun Beer Keg Still Pot. Condition: New. Listed at 18.00 USD. Fast and Free shipping from USA! Perfect for any 1/2" female pipe thread also called npt. Will screw right into weldless bulkheads. Or you can drill a 7/8"" hole in your kettle and lock this right on with a 1/2" lock nut and o ring. 1/2" female npt copper fitting not included. Large high quality Dial thermometer. Thermometer may vary slightly from the one pictured depending on availability. Thermometer attaches by simply screwing in and is easily removed for cleaning. (a few wraps of teflon tape is necessary for npt) Large high quality Dial thermometer. (thermometer may vary from pictures, depends on which ones they send us, but quality and dimensions will be the same) Thermometer connection 1/2" NPT Lead Free brass thermowells with set screw Thermometer can be calibrated Dimensions (see photos for letter reference) A: 2-1/2" B: 2-3/8" C: 1-15/16" D: 1" Please don't hesitate to ask if you have any questions