Four Finger Extension Clamp Dice Premium Quality: This item is

Premium Quality: This item is made of high-quality

Air Exhausting limit vacuum 1torr (133Pa)

It is also indicated in allergic dermatological disorders and in allergic conjunctivitis

two supporting rods with pedestals and illustrated instructions

Includes 3um replaceable hydrophobic filter

Four Finger Extension Clamp Dice Premium Quality: This item isLab Universal Clamp 4 Prong Powder Coated. Condition: 100% Brand New and High Quality. Material: Alloy. Diameter: This Clamp Can Hold: 0 80mm. Use to Hold Test Tube, Flask, Condenser Tube and so on. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in professional laboratories but is an ideal choice for science classrooms and educational settings. If you need custom order with different sizes design