Mikinona 20pcs Test Tube Clamps Holder Natural Wood Material Laboratory Experiment Accessory Chemical Glassware Support for School and Industrial Use

Mikinona 20pcs Test Tube Clamps Holder Natural Wood Material Laboratory Experiment Accessory Chemical Glassware Support for School and Industrial Use

• Test tube holder for wall--this durable test tube holder will not do damage to the test tube it is a must-have supply for labs, school,lab tube holder
• Lab tube holder clamp--it comes with 18cm long handle, which keeps you from the test tube and your safety,test tube rack
• Test tube accessories--it comes with lightweight, provides convenience to use,lab clamp stand
• Tube fixing clamps--this item is a test tube clamp, which is made of and durable for long-term use,tube clamp laboratory
• Test clip for experiment--it contains 20pcs, which can greatly meet your quantity requirement,round tube clamp