SA2 for MSC-12-HM, MSC-16-HM MSC-20-HM, RTC-16 RTC-25,-32,-40 RTC-50,-63 Cushioning self-compensating Mounting Lock nut Mounting thread M8x1 M12x1 M14x1,5 M20x1,5 SA2-MS/ SA2-RT, SA2-RC View