● Efficient motor, 20% more copper wire, 25% more load-bearing capacity;

● Double support points on the top, more stable;

● Brand-new air duct, new design of powerful air outlet gear, greater output torque;

● Adopting a safe self-locking structure, more comfortable and more assured to use;

● Multiple dustproof, effectively prevent dust from entering;

● Patented lubrication system, long-lasting and durable gear protection;