It is a laboratory equipment used to hold or support beakers during experiments.
The iron stand supports the iron ring when heating substances or mixtures in a flask or beaker.
this is small but terrible.....like a person......
Iron ring/clamp An iron ring/clamp that holds glassware such as a funnels or other objects, like the a wire gauze or clay triangle for heating with a Bunsen burner. Often, the iron ring/clamp will be...
a ring that is iron on the ring stand