Features:Plastic graduated cylinder for laboratory testSharp Bottom design with screw capsIdeal for samples, food colourings, craft use, etc. These were manufactured for use as centrifuge tubes, and hence are leak-proof. ?The non-wetting interior surface eliminates concave menisci, providing more accurate measurementsThe heavy-duty plastic withstands repeated autoclavingSwitching from glass cylinders to Globe��s plastic equivalents will greatly reduce breakage and the potential for injuryChemically resistant to most acids, bases and many common solventsSpecifications:Graduated in 0.1 millilitersMark: 0.1ml 0.3ml 0.5mlMeasure: 0.5mlDepth: Approx. 3cm / 1.18inchDiameter: Approx. 0.6cm / 0.24inchMaterial: PlasticMain Color: TransparentPackage Includes:10 x Centrifuge Tubes