Used for titration in labs for years, these have found some new uses in other areas. Burettes are generally used to accurately dispense oils and liquids. Also, many engine builders use these to match cylinder heads for high performance engine building. This is a borosilicate glass tube body with 0.10mL subdivisions and accurate to + or - 0.10 ml (cc) for the 50mL.
Each buret one has a borosilicate glass tube body with a straight PTFE Traditional style stopcock. This stopcock reduces breakage, turns more freely than glass, and is designed for conditions ranging from general purpose to high vacuum.