The Thomas 945272 Foam Test Tube Rack is a blue foam rack that supports and cushions multiple 12mm test tubes. It holds up to 50 test tubes, measures 2 x 9.5 x 5.9 inches (H x W x D; where H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back). This foam test tube rack may be used alone and is also compatible with the Thomas Multi-Tube Vortexer (sold separately).

Thomas Scientific manufactures instruments, equipment, supplies, and chemicals for laboratory and scientific applications. The company, founded in 1900, is headquartered in Swedesboro, NJ.