Features: Made of high quality material, compact processing and stable performance.Small size, large torsionand long service life.The switch, can achieve positive and negative adjustment, simple and convenient.The square head 3/8 inch (10mm) clip spring design. The sleeve is not easy to drop. It can be compatible with 10mm sleeve.Bottom exhaust port, reduce noise, avoid dust, convenient hook, easy to store.Built-in dust-proof filters to prevent dust from entering.Specification:Item Type: Pneumatic WrenchMaterial: Aluminium Alloy Square Drive: 3/8 inch (10mm)Rotation mode: positive and negative rotationFree speed: 9000 rmpStrike Structure: Double HammerLeaf length: 38mmMaximum torsion: 160NmTorque regulation: step-less speed regulationIntake Thread Interface: 1/4Working pressure: 6-8kgExhaust mode: bottom exhaustTapping ability: less than 16mmPackage Include: 1 * Pneumatic Wrench1 * Ring1 * Japanese Intake Air Interface1 * Air Interface Control Valve