Description
- Double Shock Absorption And Buffer SystemEtiminate the impact of operationAid jot strain and protect arm muscles
- Forged Steel Thickened Gear SetHigh efficiency transmission without sliding teeth
- Enlarge 28 CylindersExtended Cylinder Chamber
- A+ternary Power Lithium Battery CellWorking all day without power failure
- The Fifth Generation Brushless Red Copper MotorMotor copper wire increased by 39%
