Universal Polishing disc made in USA

Feature Patented univeresal axial fitting mechanism fits 2.5mm and 1.25mm ferrulesInternal Sleeve UPD-3 accepts FC, ST and SC Connectors Auto key lock for SC and LC Connector Key lock inserts for FC and ST Connectors Stainless Steel The Universal and LC polishing discs are made of stainless steel and contain an internal sleeve to guide and secure the ferrule during polishing. The Universal Disc accepts FC, ST and SC connectors. Key lock inserts are included with the Universal Disc for FC and ST connectors to prevent the connectors from rotating during polishing. The recessed areas around the port on the discs allows the SC and LC connectors to automatically lock into position.