Question

select the beaker tongs.

Explanation:

Beaker tongs are used to hold and move beakers, especially when they are hot. The first image is a ring clamp (used to hold glassware on a stand), the third is a ring stand (a support structure). The second image has the characteristic "tongs" shape with two arms to grip a beaker.

Answer:

The second option (the one with two arms shaped like tongs) is the beaker tongs.