UP-200 Set Ring UG10-209This set ring (part # UG10 209) is an OEM replacement part for the KUPA UP 200 UG12 series handpieces. According to the parts listing, it is made of stainless steel. The set ring is a critical component used to secure or align parts in the handpieces front or motor housing assembly, maintaining proper spacing and stability during high speed rotation. Features Maintains Precision Alignment: Because high speed handpieces rely on tight tolerances, the