Joey: (picking up a leftover part) What's this?
Chandler: I would have to say that is an 'L'-shaped bracket.
Joey: (picking up a leftover part) What's this?
Chandler: I would have to say that is an 'L'-shaped bracket.
'Will have to" is used for making a promise to do something in future. But 'would have to' has been used here to be more polite to say something.