These polypropylene cryogenic racks feature a locking mechanism that allow one handed opening for self-standing cryogenic vials.

• Accommodates both round bottom and self-standing vial formats
• Racks have A to J row and 1 to 5 column indexing for easy organization
• Stackable when not in use

Multicolour pack contains one each of blue, green, orange, purple and pink racks.