Culture Tubes Brand: WKM Features: High quality borosilicate culture tubes Uniform Threading to ensure leakage free tube Wash thoroughly before use Part Number: BSP49 Details: GENUINE BOROSILICATE GLASS TUBE CULTURE , MEDIA, FLAT BOTTOM WITH SCREW CAP AND RUBBER Liner having very low coefficients of thermal expansion & resistant to thermal shock. Product having high tensile strength, long lasting, glossy smooth surface and precise design etc. Package Dimensions: 2.0 x 1.2 x 0.8 inches