ELISA 50-Well Cryo Tube Rack

50wells cryogenic tube racks. Quantity: 20.3x9.9x2.3cm Φ:1.3cm (for tubes with diameters 13 mm or smaller) The Locking feature: Each of the 50 wells have a locking mechanism that engages with the structure of most cryogenic tubes, including those from us, so that you can use one hand to open or close the cap by unscrewing or screwing the cap. It is very convenient for operations and experiments in the lab Available in large quantities please inquire.