Eisco labs Closed Ring Clamp ID 2.5 with Boss head clamp - 5 Long

* Cast Iron Ring Clamp with 5/16 diameter stem * Open boss head fitted with thumb-screw to accept rods from 5/16 to 5/8 dia * Extension distance

EISCO 3-Finger Lab Clamp with Bosshead Clamp Holder for Lab Stand Rod - PVC Coated Prongs for Holding Objects up to 3.5 Diameter - Beaker Holder, Flask Clamp with Swivel Boss

5-Piece Lab-Grade Metalware Equipment Set for Science Classrooms — hBARSCI

Clamps & Bossheads — Eisco Labs

Eisco Labs 7.5cm diameter ring with boss head clamp — hBARSCI

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Eisco Fisher Scientific

Labware & Accessories, Coldtraps, Glassware & More

Scicalife Kickstand Laboratory Support Stand Clamps Iron Retort Clamp Support Ring Lab Stand Retort Flask Clamp for Laboratory 100mm Beakers: : Industrial & Scientific

Clamps & Bossheads — Eisco Labs

Clamp Stand at Thomas Scientific

Clamps & Bossheads — Eisco Labs

EISCO 3-Finger Lab Clamp with Bosshead Clamp Holder for Lab Stand Rod - PVC Coated Prongs for Holding Objects up to 3.5 Diameter - Beaker Holder, Flask Clamp with Swivel Boss Head

Burette Clamp, with Built in Boss Head - Accommodates Single

Eisco Labs 4 Diameter Cast Iron Closed Ring Clamp with Boss Head

Heavy Duty Multi-Purpose Table Clamp, Vinyl Coated Grip and Swivel Pad, Built-In Rod