Description: 15 Positions Test Tube Rack Bracket is the most basic chemistry experiment instrument.
Specification: Material: Plastic Position: 15 holes and 9 pins Hole's dia: 2cm and 1.6cm Pin's length:7cm Length: 21.5cm Height: 10.5cm Color: white
Feature: 1. Test tube rack, is the most basic chemistry experiment instrument 2. Plastic tube material stability, durable 3. The tubes can be placed in a test tube rack, an experiment to observe the phenomenon 4. It can also be used as containers for the pen ,and used for placing cutlery spoon