This product a useful and labor-saving tool, which is used for woodworking decoration, home decoration, home appliance. Features: Made of high-quality material, smooth and stable, and has a long service life. Has strong torque; work efficiently and easily. Used for tightening and loosening screw nuts, etc. Suitable for home assembly, electromechanical assembly and so on. Specifications: Material: metal Chuck size: 1/4in Acrotorque: 40 Avg.air consumption: 0.28 Idling speed: 9000rpm Working pressure: 6.0 Mpa Air inlet size: 5in Recommended tracheal diameter: 5mm / 0.2in Item length: 200mm / 7.87in Package size: 235 * 75 * 50mm / 9.25 * 2.95 * 1.97in Package weight: 780g / 1.72lb Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Made of high-quality material, smooth and stable, and has a long service life. Has strong torque; work efficiently and easily. Used for tightening and loosening screw nuts, etc. Suitable for home assembly, electromechanical assembly and so on.