select the burette clamp.

select the burette clamp.
Answer
Brief Explanations:
A burette clamp is used to hold a burette in place during titrations in chemistry experiments. It is typically attached to a stand. The second image shows a stand - which is part of the setup with the burette clamp. The first image is forceps and the third is a different laboratory apparatus.
Answer:
The second image (the stand which is associated with the burette clamp setup)