This item is an economy and space-saving rack for student use or applications in lab or at home.
Clear for easy viewing and holes are inscribed with number for tracking tubes.
Convenient end plates for identification labels,Rows are numbered and lettered for tubes.
Works great to hold test tubes or lip balm tubes to be filled and to cool so they don't tip over and spill.
Easy to carry and clean. Store in a cool and dry place.