Set sights on

I think it could be either:

Which length description are you looking for?:

3,2

aim at

'set sights on' is the definition.
(I've seen this in another clue)

This is all the clue.

(Another definition for aim at that I've seen is " Have in one's sights".)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.