Safely store and transport cryogenic vials with this durable blue polycarbonate rack, featuring one-handed well tabs, alphanumeric indexing, and ribbed grips for easy handling with gloves. * Made from polycarbonate * Well tabs allow one-handed opening and closing of vials that have a slot feature * Embossed index numbers and squared, upper left corner provide easy orientation * Drainage holes in each well aid in cleaning * Alphanumeric identification for quick location and retrieval of tubes * Ribbed gripes make handling with gloves, easier * Autoclavable: True * Color: Blue * Dimensions (L x W x H): 7.8 x 4.1 x 0.9 in (19.9 x 10.5 x 2.8 cm) * Low Temp: -196°C * Material: Polycarbonate * No. of Wells: 50 * Quantity: Pack of 4 * Tubes: 2-5 mL * Well Diameter: 13 mm