Test Tube Holder

A **test tube holder** is a simple laboratory tool used to safely hold, carry, or heat test tubes during experiments. It prevents direct contact with hands, protecting users from heat, chemicals, or breakage.

### Key Features of a Test Tube Holder:

* **Material**: Commonly made of wood, metal, or plastic.

* **Design**: A spring-loaded clamp or tong-like shape that grips the test tube securely.

* **Size**: Suitable for standard laboratory test tubes (10 mm – 25 mm diameter).

* **Function**: Allows safe heating of test tubes over a flame or moving them without direct touch.

### Uses:

* Holding test tubes while heating substances over a Bunsen burner.

* Transferring hot or chemically reactive test tubes.

* Preventing accidents caused by breakage or spillage.