The McKesson Tube Cube Rack is an indispensable laboratory asset, designed to maximize storage space and maintain organization. Its compact 3" x 3" footprint accommodates nine tubes or microtubes with adjustable slots ranging from 8 mm to 16 mm in diameter. This flexible storage solution ensures secure storage, preventing tubes from rolling or tipping over. Constructed from durable plastic, this rack withstands repeated use and cleaning while its vibrant blue color enhances visibility in any workspace. The versatile design of the Tube Cube Rack makes it suitable for organizing tubes in centrifuges, refrigerators, or on the benchtop, allowing laboratories to optimize storage and streamline operations.