All-copper coil, good conductivity, reduced loss and good heat dissipation. Copper wire core provides more stable power output and reduces loss. Positive and negative poles are distinguished, the terminal next to the of the motor is the positive pole. Strong inner core, stable operation, low noise and longer life. Universal compatibility: Widely used, can be used with various lawn mower models, fascia , etc., Weight: 0.63382900325 pounds, Manufacturer: Kueohse