One (01) each Ball Abutment Cap, with two (02) each O-Rings, for Ø 2,5 mm ball abutments. Ball Abutment Cap is made of surgical-grade stainless-steel with an extra retentive surface topography for a better polymerisation into the denture. O-Rings are made of 60 Shore A Buna-N. The Ball Abutments are depicted only for illustration purposes only and are not part of this offer.