The quietest ratchet on the market today at 82 dba. 90 ft-lbs maximum torque and 70 ft-lbs working torque, ergonomic handle and trigger for ease of use for the operator. All in one you have the power, the silence and innovative design to get the hardest jobs done. Ergonomic handle and trigger for ease of use for the operator. Specs: Drive (in.): 3/8, Speed - No Load (RPM): 180, Average Air Consumption (CFM): 3.5, Operating PSI: 90, Max. Torque (ft.-lbs.): 90, Noise Level (dB): 82, Variable Speed: Yes, Reversible: Yes, Inlet Size (in.): 1/4, Case Included: No, Tool Weight (lbs.): 2.88.