Feature: 1. STAINLESS STEEL: Test tube clamp is made of stainless steel, which is rust resistant and durable for long term use. 2. WITH FINGER GRIPS: Stainless steel test tube clamp has self closing jaws with finger grips for comfortable and safe use. 3. 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. 4. PROTECTS YOUR HANDS: Test tube clamp protects your hands while conducting experiments, so you can do your experiments without worry. 5. EXQUISITE WORKMANSHIP: Laboratory test tube clamp is exquisite workmanship, elegant appearance, perfect for laboratory use. 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 0.10.2cm error