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HEALSOPTHY 2pcs Laboratory Beaker Clamp with Iron Ring Stand, Adjustable Test Tube and Flask Holder Support for Chemistry Experiments, Industrial Lab Tube Support Clamps

Generic 2pcs Universal Laboratory Beaker Clamp Zinc-plated Medium Condensing Tube Clip for Industrial Experiment Equipment and Flask Support

M METERXITY 5-Pack Lab Joint Clip, for 14/20 Glass Standard Ground Glass Joint Stainless Steel Lab Glassware Clamps for Laboratories/Home DIY/Industrial Repairs Conical Interface Clip

M METERXITY 5-Pack Lab Joint Clip, for 34/28 Glass Standard Ground Glass Joint Plastic Lab Glassware Clamps for Laboratories/Home DIY/Industrial Repairs Conical Interface Clip

Laboratory Flask Clamp Zinc Alloy Long Handle Retort Stand Clamp Multi Functional Chemical Experiment Tool for Scientific Research Teaching Hospitals Industrial Labs

EISCO 3 Finger, Vinyl Coated Extension Clamp on Stainless Steel Rod - 3.4" Max Opening, 5.5" Connecting Zinc Alloy Construction Research, Industrial Laboratory Grade- Eisco Labs

Eisco 2 Prong, Cork Lined, Burette, Flask, Beaker Clamp Swivel Bosshead - 4.3" Max Clamp Opening, Bosshead Fits Up to 18mm Rods - Zinc Alloy - Research, Industrial Laboratory Grade

EISCO 2 Prong, Vinyl Coated, Spring Loaded Clamp on Stainless Steel Rod - 2.75" Max Clamp Opening, 5" Connecting Rod - Powder Coated Alloy Clamp - Research, Industrial Laboratory Grade