This ring is used as a support to hold glass containers on a heat source such as a Bunsen burner or an alcohol lamp. The size best suited to the diameter of the instrument should be selected.
It is necessary to complement it with different fastening instruments such as the support and laboratory bossheads.? This option is for when it is necessary to adapt the location of the ring, which means, the movable length of the proximity of the ring with respect to the rod, to separate more or less.
The metal ring or hoop is an instrument that allows working in a laboratory in processes that use heat and protects against the risk of possible burns because it is not necessary to hold the piece directly by hand.
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