Pneumatic ratchet wrench] [basic instructions 107XPA Heavy 3/8 "to the industry's most versatile wrench basis, with advanced head design, plus many other features, durability particularly strong. [Air Ratchet Wrench Features ■] shift lever-type throttle ■ 360o adjustable vent air from the operator and jobs at the bigger drain away torque ■ 50ft.-lbs. [Air] Specification drive ratchet wrench square head size (inch) ?: 3 / 8 Torque range: 14-61 Maximum torque (Nm): 68 Free speed (rpm): 160 standard bolt tightening capacity (mm): 10 Average air consumption cfm (l / min): 3 (85) Air consumption at free speed cfm (l / min): 18 (510) Noise level dBA (pressure / power): 84.4 / 105.4 inlet port size (inch):?? NPT1 / 4 minimum tube diameter in (mm):. 3/8 ( 10) Tool Length (mm): 267 Weight (kg): 1.1