5 steps adjustable power regulator.
The pneumatic motor with high effect designed, low consumption and high torque output.
Spherulitic iron cyliner with heat treatment and high hardness, durable and long lifespan, torque and output steadily.
High strength hammer mechanism.
Two-piece construction for easy maintain.
2 steps throttle trigger of patent(first around 4000rpm, the second is all turned on) for accurate and convenient control.
Front exhaust.