Features: Damping and Noise Reduction: Compressed air screwdriver made of excellent alloy steel material, durable. The main body is matte, which reduces grinding vibrations. In the air tube there is asilencer tube to ensure quieter and quieter operation COMPACT AND LIGHT: The screwdriver has a compact design, fits well in the hand, is small and light, and triggers the installation of safety devices to prevent a sudden start Self-locking STRUCTURE: Impact helicopter with self-locking chuck structure, highprecision manufacturing, the bit does not fall easily DRIVE AIR Impact Driver with highprecision concentricspindle, concentrated force, screws do not slip orwobble APPLICABLE Scenario: Impact wrenches are suitable for use in many different scenarios, often in assembly line work in factories, repairing, installing and removing screw Specifications: Item Type: Pneumatic Screwdriver Material: Alloy Steel MaximumDrilling Diameter Approx 10mm Chuck: Approx. 0.2inch Air Pressure: 90Psi Torsion: 40–60N/M Air inlet: 1/4inch Package Includes: 1 Set x Air Screwdriver note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.