Livingstone Luer Lock Syringe featuring a red plunger for increased safety and quick solution identification. Reduces the likelihood of syringe swapping, has graduated increments, and easily and quickly identifies solutions. Threaded locking collar gives an extra secure connection. Double contact gasket ensures an air tight seal. Smooth operating plunger action. End-stop prevents accidental separation and spillage. Highly transparent barrel for easy recognition. Bold, easy-reading scale markings for precise measurement.