1Scope of Application 21V 14 teeth 18000rpm electric saw motor is suitable for lithium electric drills, electric saws, electric screwdrivers, machine tools, etc. 2High Power and Low Noise 21V 14 teeth single hand saw 550 motor has high power, low noise, and long service life. 3High Speed and High Torque High speed and high torque DC motor. 21V 14 teeth 18000rpm electric saw motor. 4Ball Bearings and Fixing with M4 Screw Front and rear double ball bearings. The front can be fixed with 2 M4 screws. 5Good Workmanship Exquisite workmanship, stable and reliable perforamnce, providing you great using experience. Item Type Single Hand Saw 550 Motor Material Copper, Aluminum Weight Approx. 243g 8.6oz Number of Gears 14 Teeth Voltage 21V No Load Speed 18000rpm Single Hand Saw MotorSingle Hand Saw 550 Motor21V 14 Teeth Single Hand Saw Motor21V 14 Teeth 18000rpm Electric Saw Motor21V 14 Teeth DC MotorElectric Saw Motor 1 x Single nbsp Hand nbsp Saw Motor nbsp