PZRT 2pcs 7 Inch Wooden Test Tube Clips Glass Test Tube Clamps Laboratory Biological Chemical Experiment Clamp Tools sold2026 working or many other things

working or many other things

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5” tall with a 6” gusset 19" across the top x 14

Scag: 481638

PZRT 2pcs 7 Inch Wooden Test Tube Clips Glass Test Tube Clamps Laboratory Biological Chemical Experiment Clamp Tools sold2026 working or many other thingsPZRT 2pcs 7 Inch Wooden Test Tube Clips Glass Test Tube Clamps Laboratory Biological Chemical Experiment Clamp Tools When in use, gently press one end of the test tube clamp, the front end will open, and then clamp the middle of the test tube. The elastic force of the spring after the hand is loosened can clamp the test tube, and the long handle can be used for heating operation. Store in a cool, dry place after use. Package includes: 2pcs of test