Nouns ending in -it or -ut are masculine.
The whole family: -it, -ut. All masculine.
Is droit masculine or feminine?
ledroit
The rule behind it
100% of -it / -ut nouns are masculine
In context
De quel droit me parlez-vous sur ce ton ?
How dare you speak like that to me?
Quelque chose est arrivé à mon œil droit.
Something has happened to my right eye.
Je ne peux pas lever mon bras droit.
I can't lift my right arm.