Double buffer shock absorber device will block the damage of parts from vibration.

High Power Rare Earth Magnet Motor has distinguished characteristics, including smaller dimension, higher torque output, double insulation device that is UL designed, and great safety.

Externally Replaceable Carbon Brush is easy and convenient.

Externalknurled torque nut allows easy torque setup and adjustment.

Spiral Winding Wire in All Model ́s Cable greatly reduces the possibility of bent or broken shafts.