This is a set of 10 (ten) surgical steel micro dermal healing posts in 2mm length (not including the threading). You can screw it into a dermal base and your base will have a 2mm higher rise on it. Can be used in case of any swelling and when the swelling subsides, you can screw off this healing post and screw in your dermal top. Dermal base not included (sold separately). With this package deal you get 10 healing posts.