Tech Glass Burets Automatic Self-Zeroing Class A with Stopcock

Tech Glass Burets Automatic Self-Zeroing Class A with Stopcock. The lower stem rotates automatically upon taking a draw while the upper stem tightens onto the vessel. Slope locks hold the buret open for easy dispensing while maintaining a fixed lowered position in the vial. Color coding simplifies set-up and allows for sorting of burets by size or color coded tubing can be placed around the vial to distinguish between different volumes. Gradings on the buret bodies conform to the Federal Voyager