Lot of 3 8.5" Chemistry Lab Glass Beaker Test Tube Extension Clamps

Lot of 3 8.5" Chemistry Lab Glass Beaker Test Tube Extension Clamps Excellent working condition Laboratory Industries Inc., chemistry lab clamps. All three open and close easily with their screw drives, no resistance to turning. All three have rubber cushions to protect the glass beakers and test tubes when held. Typical shelf wear and smudges on the surfaces due to age, use and storage over the years. Please see photos for appearance, condition and product details.