Description: 1\/2!#!amp!*!quot; Install Fastening Fittings Homebrew Beer + 2.5!#!amp!*!quot; Inch Kettle Thermowell Kit  Specification:               Color         Silver               Pole OD         10 mm               Pole ID         8 mm               Total Length         6.35 cm               Material         Stainless Steel       Features: 1.Thermowells allow a more consistent and continous measurement of temperatures. 2.To prevent leaking、 wrap the 1\/2!#!amp!*!quot; threads with Teflon tape prior to installing the hole. 3.They are 304 Stainless Steel which is the ideal metal for use in cooking、 sanitation、 brewing or otherwise heating things to be consumed. 4.The 2.5!#!amp!*!quot; thermowell is a device that install into your kettle that allow a thermometer、 digital thermometer probe、 or temperature controller sensor to be inserted but kept isolated from the liquid the thermowell is immersed in.   Package Included:               Item         Quantity               2.5!#!amp!*!quot;L Thermowell         1               Stainless washer         1               1\/2!#!amp!*!quot; Lock Nut         1               Silicone O-rings         2