- The Ball Attachment system offers several advantages over traditional O-ring attachments. - It requires less mesial/distal/buccal/lingual space and offers four different levels of retention. - The nylon retention inserts can be changed chairside. - Set Contains : - 1 X Titanium Housing. - 3 X Female Nylon Inserts - white (more retention), pink (less retention), black (lab processing). - 1 X Protective Disk (ref. BCPD, protects tissue during impression making or denture pick-up). **For further product information, please contact Chat Support**