Features:
Made of polypropylene, durable and light weight, easy to carry.
Fit for 15 to 18mm test tubes, round holes, hold 40 tubes.
Economical and space-saving rack for applications in lab or at home.
3 Layer, 2 slots, each layer has a direction, slide the shelves in from one side, the other side has a lip that stops it, fits very snug.

Specifications:
Material: Polypropylene (PP)
Color: White, Light Blue
Model: 40 hole
Hole Diameter: 18mm
Fit for: 15-18mm tubes
Size: 255mm x 115mm x 65mm / 10" x 4.53" x 2.56"(L*W*H)

Package Contents:
1 x Tube Rack