Uses the same mounting holes as a clutch motor. No noise or vibration when machine is not running. Draws minimal electricity when machine is not running. (Synchronizer), motor will run with or without the synchronizer. Easy to adjust speed. & motor direction with buttons. Starts-up at low speed. (1) The separate structure can be installed according to the actual situation. (2) Pure copper core motor, the motor generates less heat, the motor can work for a long time, and the service life is long. (3) Precise controller for precise control of motor speed. Can be adjusted freely, and the speed can be adjusted freely according to different requirements. (5) Thickened motor base, durable, anti-corrosion and anti-rust, long service life. Can be applied to a variety of industrial sewing machines. For industrial sewing machines such as. Brother, SINGER, ZOJE, Sunstar, GEMSY, Yamato, Morimoto, Duke, Mitsubishi, Toyota, FEIYUE, JACK. Cannot be used in computer sewing machine.