Yup bro they have proper tools.
It will take no more than 45 minutes.
I have got my wheels balanced from there twice. Once 15" and second time 17"
Satisfactory results.
It worked for me and i hope it does for you too.
Btw which car do you have and whats the milage plus what tyres you are using plus what alloys and how much have u driven on those tyres plus whats the issue you are facing.