In the film the Lord of the Rings , gave less than 15 rings of power to dwarf-lords .
``  Also in the Second Age Sauron gave the Seven to various Dwarf-lords ( though the Dwarves of Moria maintained a tradition that the ring given to Durin III came directly from the Elven smiths ) .The Lord of the Rings , Appendix A , `` '' III . ''
Rings of Power