Test Tube, Nominal Capacity - Metric 19 mL, Body Diameter - Metric 16 mm, Nominal Capacity - English 0.64 oz, Overall Height - Metric 125 mm, Body Material 5.1 Borosilicate Glass, Tube Type Test Tube, Body Color Clear, Graduated No, Includes Closure No, For Use With Cell Washing Procedures, Autoclavable No, Sterile/Non-Sterile Non-Sterile, Special Features 51 Expansion Borosilicate Glass Offers Excellent Chemical Resistance Against Sodium Leaching, Trays are Shrink-Wrapped in Plastic Film