Model: GW8

Gison GW8 (made in Taiwan) is an air butterfly impact wrench.


  • Compact and lightweight.
  • Butterfly throttle for single handed control of speed and forward / reverse.
  • Built-in power regulator.
  • Air inlet swivels 360 degree.
  • A rubber nose guard protects the housing for long life.
  • Lightweight aluminum housing to reduce operator fatigue.
  • Ring retainer for positive socket retention
  • Single Hammer mechanism.


Mechanism One Hammer
Square Drive 3/8″
Bolt Capacity 13 mm
Max. Torque 75 (102 Nm)
Net Weight 1.04 kg
Length 158 mm
Air Consumption 0.42 m3/min
Air Inlet 1/4″
Hose Size 6.5 mm
Sound Pressure 97 dBA
Air Pressure 90 psi
Vibration 2.5 m/s2

Additional information

Weight 2 kg

Power Source

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