Feature:
Test tube rack, is the most basic chemistry experiment instrument
Plastic tube material stability, durable
The tubes can be placed in a test tube rack, an experiment to observe the phenomenon
It can also be used as containers for the pen, and used for placing cutlery spoon
Specification:
Material: Plastic
Size: 16.7*8*3cm
Color: Clear
There are 4 big holes and 2 small holes
The diameter of the large hole is 1.3cm, the diameter of the small hole is 0.9cm
Package included:
1 pcs Test Tube Rack 6 Holes

4 GREAT REASONS TO BUY FROM US:
- Over 37,000 happy customers across the US
- Real people on our support team ready to help
- The finest materials and stunning design — all our products are developed with an obsessive dedication to quality, durability, and functionality
- We use the most secure online ordering systems on the market, and are constantly improving our software to make sure we offer the highest possible security

BUY WITH CONFIDENCE
Our mission is to make your shopping experience as safe and enjoyable as possible. Have questions? Feel free to contact our award-winning customer care team for advice on everything from product specifications to order tracking.
- Money back guarantee: Something not quite right? If you’re not totally satisfied with your purchase, you can return it within 15 days for a full refund
- Risk-Free Purchase: We utilize industry-standard Secure Sockets Layer (SSL) technology to allow for the encryption of all the sensitive information, so you can be sure your details are completely safe with us
- Trustworthy payment method: We partner with the most popular online payment solutions that guarantee enhanced security and fast transaction processing