Centrifuge Tube Nominal Capacity - Metric 100 mL Body Diameter - Metric 23 mm Nominal Capacity - English 3.38 oz Body Material Borosilicate Glass Tube Type Centrifuge Tube Body Color Clear Graduated Yes Includes Closure Yes Closure Material Rubber For Use With Centrifuges Special Features Detailed Line Style Etched Calibration Milliliter Markings Pear Shape Style Tube Sand Spot Tooled Top Style Tube is Not Certified Nor Verified Yellow Frit Markings Basic Material Glass