Freezer Tube Box 100 Places Cardboard Holder Rack for 1.5/1.8/2ml Microcentrifuge Tubes 2Pcs 5/32" X 1/4" X 9.8' * Material -- This shaft

* Material -- This shaft is made of carbon steel and plastic which make it practical and durable

Rectangle Cover Dimension: 40mm x 25mm/1

Thickness (B): 25 mm

- 1 x Holding Electromagnet

Hex Side Width: 5mm / 0

Freezer Tube Box 100 Places Cardboard Holder Rack for 1.5/1.8/2ml Microcentrifuge Tubes 2Pcs 5/32" X 1/4" X 9.8' * Material -- This shaftDescription: 1. Fit for1. 5 1. 8 2ml freezer tubes, 10x10 array, 100 Places. 2. Constructed of cardboard with white coating and this style is non waterproof. 3. Keeps your freezer tubes firmly inside while the box is closed. 4. Widely used on holding laboratory freezer tubes or centrifuge tubes. Specification: Material: Non waterproof Cardboard Overall Size: 132x132x50mm 5. 2*5. 2*1. 97 Inch (L*W*H) Hole Size: 12x12mm 0. 47*0. 47 Inch Hole Depth: 31mm