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Thermo Scientific's The 2.0 mL Screw Cap Tube is a natural microtube for secure, short-term sample storage at low temperatures. This version has a conical, non-skirted base and a non-knurled exterior. It is supplied E-beam sterile without a cap and is packaged as 5,000 tubes. The tube is made in an externally threaded screw-cap format. Thermo Scientific Screw Cap Micro Tubes are designed with a robust construction and material selection suited to work with biologics. The available product family includes conical and free-standing designs, with options for skirted bottoms, tethered straps, knurled or non-knurled surfaces, multiple cap colors and several tube volumes. This specific configuration has a 2.0 mL capacity, a natural tube color and no self-standing skirt. A compatible screw cap is required to close the tube. Caps in this product family incorporate an O-ring that helps prevent leakage under demanding conditions. The combination of the 2.0 mL format, sterile presentation and non-skirted design provides a clearly defined configuration for users selecting components within the Screw Cap Micro Tube range.