Raytek Minitemp Thermal Heat Gun. This is thermal heat gun which can be used to accurately measure temperatures up to 400° F with a push of a button. Simply point the unit at the area you want to know the temperature of and use the laser pointer to accurately get a spot on reading. This thermal gun is very useful in the composite work shop. You would use this gun to read resin temperatures to know what state the resin is in. You can use the temperature readings to estimate remaining pot life and when the resin has started its cure process and when it has finished. This thermal gun can save you from making expensive mistakes and is a must for any professional shop.