This Swiss made watch movement holder is of the highest quality. It is designed to fit all the ETA movements in the ETA 251.2 series. The pins in the center are positioned to hold movements in the ETA 251.2 series with extreme delicacy to ensure that no part of the movement is damaged while you work on it. It also includes four push pins on the outside that allow you to test some of the mechanics, mostly the chronograph functions, of the watch to ensure a perfect repair. This movement holder is a necessity for anyone who works on ETA watch movements.