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Durable plated-steel ring clamp holds labware securely on stands for heating or experiment setups.

These zinc-plated support rings are made of durable cast iron.

Closed metal support rings with long stems great for supporting funnels.

Heavy closed cast iron support rings with integral bosshead clamps great for supporting funnels.

Closed metal support rings with long stems and attached bosshead clamps great for supporting funnels.

Ideal for supporting funnels, round-bottom flasks, reaction vessels, and other apparatuses requiring lower support.

Made of heavy metal with side rod for insertion in clamp holders.