They are widely used in Physics Laboratory, Chemical Laboratory ,Education system,Scientific research institutes ,Pharmacy Laboratory ,Experiment room,petroleum Lab etc. Product Name : Glass Single Pocket Thermometer Place of Origin: China Features: 1)Total Length is 140mm 2)Thermometer fluid:Mercury,blue or red organic liquid. 3)Measure range is -20 of 110 degree C or Others Temperature. 4)High accurately, Easy reading, Reasonable Price,Using facility 5)The Plastric Sleeve for protect Glass Thermometers 6)The Plastric Sleeve color Yellow or Blue or Green etc. 7)Traditional handwork glass fire and advanced computer aided plot,everlasting amber silk screen printing made of all series of general solid-stem type glass thermometers.