Feature:
1. Supreme Quality: Built from top-notch metal for enhanced durability. Say goodbye to regular replacements with our sturdy, rust-resistant test tube clamps.
2. Ergonomic Design: Lab work shouldn't be a pain! Our clamps boast finger-friendly grips that ensure your hands stay strain-free and unharmed, even in marathon testing sessions.
3. Unmatched Safety: With a spring-action self-closing mechanism, we've nailed the balance between secure hold and optimal pressure. Conduct experiments with complete peace of mind.
4. High temperature resistant: It is heat resistant and is used to hold test tubes when they are hot and untouchable to prevent burns during experiments.
5. Versatile Clamping Range: Our versatile clamp promises to be your lab buddy, securely holding test . No more juggling with tubes, one clamp fits most!

Specification:
Item Type: Test Tube Clamp
Material: Stainless Steel
Product Size: Approx. 14.6x3.9x3cm / 5.7x1.5x1.2in
Use: Used to Fix the Test Tube When It Is Hot and Untouchable

Package List:
10 x Test Tube Clamp

Note:
Manual measurement there is 0.1‑0.2cm error