Air screw drivers 1. With free speed transmission gear to start the clutch. 2. Press trigger to start gear and then start clutch automatically. 3. While reaching the fixed torque, clutch racing automatically and bit will stop working with torque regulator. 4. With reversible trigger to change right or left directions. 5. Apply to release or fasten the high-accurate screw, especially for outside box setting in industries of toy, electric, carpentry, and plastic. Specification : 1. Item No.: OP-302. 2. Bolt size capacity (mm): 5. 3. 5S increase torqut n-m (ft-lb): 5 (3.7). 4. Free speed (RPM): 1900. 5. Air pressure (kg/cm2): 6.3 (90 PSI). 6. Air consumption (CFM): 2. 7. Overall length (mm): 220. 8. Air inlet (NPT): 1/4". 9. Weight (kg): 0.63.