CSP005S Heavy-duty reverse action pistol grip screwdriver suitable for production and assembly applications. Push to start type with auto shut-off clutch for precision applications. Three interchangeable torque springs allow for easy conversion for new applications. 1/4 hex drive. External torque adjustment does not require disassembly of the tool. Variable speed throttle. Ergonomically contoured grip for operator comfort. Handle exhaust directs air away from the workpiece and operator. Hanging ring included. Chuck size: 1/4 (6mm) hex. Air inlet thread: 1/4 NPT. Minimum air hose size (ID): 3/8 (10mm). Green torque spring:* 0.6 - 2.1Nm (5 - 19in/lbs). Black torque spring: 1.1 - 4.3Nm (10 - 38in/lbs). Yellow torque spring: 1.7 - 5.1Nm (15 - 45in/lbs). Air pressure: 6.3bar/90psi. Air consumption: 4cfm* (144ltr/min). Noise Level: 84dBA Sound Power: 93dBA Vibration: