5Pcs/Set Spring Test Tube Steel Clip Clamp Holder Testing Tube Holder Laboratory Experiment Tool Length 14.5cm / 5.7in
- ☛ Test Tube Holder -- Made of high quality steel, durable to use, quality plated steel wire test tube holder..
- ☛ Spring Tube Clip -- Exquisite workmanship, not easy to rust, spring-action self-closing mechanism..
- ☛ Fit For Diameter -- The maximum diameter test tube that can hold is less than 5cm,.
- ☛ Hand Protection -- It can protect your hand when doing a experiment, used to hold test tubes..
- ☛ Holding Test Tube -- Used for holding test tube in the laboratory, when they are hot and untouchable..