# McKesson Tube Cube Rack

The McKesson Tube Cube Rack is designed for secure storage and easy access to test tubes, making it an essential tool for laboratories and other innovative applications. This versatile rack can hold nine test tubes with diameters ranging from 8 to 16 mm.

## Key Features

### Versatile Design
The compact dimensions of 3 x 3 x 3 inches allow for efficient use of space while cradling the bottoms of the test tubes. Additionally, the middle section enhances stability by grasping the tubes at their midpoints, ensuring that your tubes remain secure during use.

### Applications
While primarily intended for laboratory environments, this rack is also favored by those who breed monarch butterflies, as it provides an excellent solution for setting up milkweed cuttings.

### Variants
The McKesson Tube Cube Rack is available in multiple packaging options, including a case of 4 and a box of 4, catering to various requirements and preferences.