Adamas-Beta 40 Holes Aluminum Test Tube Rack Test Tube Rack Holder, Holes Diameter ?20.5mm/0.81in, 4 X 10 Format, 1pcs

Specifications Material:aluminum Size:40 holes diameter ?20.5mm/0.81in Characteristics The test tube rack is made of high quality aluminum, which has advantages of heat resistant,high temperature resistant,low temperature resistant,stable material performance Professional manufacturing,exquisite workmanship,beautiful and practical,long-term use A total of 40 small holes,double-layer design,very large capacity Ability to suspend test tubes or colorimetric tubes during chemical experiments and drying tubes.Can also be used for non-traditional purposes,such as pen holders,brush holders,etc.