Product Review

50-Place Test tube rack for both 12/13mm and 15/18mm diam. Tubes, detachable, plastic, Color is CLEAR. 2 Different size racks are included with this Rack Set, one for small tubes and one for large tubes. One is manufactured to hold 50 tubes with an outside diameter ranging from 12 - 13mm. And the other is manufactured to hold 50 tubes with an outside diameter ranging from 15 - 18mm. Great to hold tubes for parties, lip balm kits, essential oil preparation,