Test Tube Rack 18mm
Stainless steel test tube rack.
Size: 9"x5"x2" (23.5x12.5x5 cm)
Holds 40 tubes in 4 rows Hole diameter: 18 mm (0.75"), fit test tubes with diameter of 18 mm or less
Good for glass or plastic test tubes with diameter of 18 mm or less Freezer safe.
Autoclave safe.
Long lasting.