These color-coded thermometers help to prevent cross-contamination and helps promote food safety in restaurants. They have a temperature range of 0 deg F to 220 deg F (celcius conversions are also printed on scale) and a degree division of 2 def F. They have 1" diameter dials which feature shatter-proof polycarbonate crystal lens. This thermometer has superior shock protection. Their 5" stems are housed in a storage sleeve with a built-in recalibration wrench. In addition to handling food in deep fryers the versatile 5 1/2" blade of this extra fine skimmer can be used to remove blanched items from boiling water and to remove solidified fat from the top of a cooling soup stock or for numerous other essential kitchen tasks. You can also use it as a primary tool while deep frying in a pot or wok.