Friend of mine who isnt on the board bought this adjustable dumbbell set a few weeks ago....It was unclear in the ad, but they are adjustable in 10lb increments...which is heavier than she would like. They are brand new, see her FB marketplace ad:
https://www.facebook.com/marketplace/item/1201589397125378/
https://www.facebook.com/marketplace/item/1201589397125378/