FIREBIRD FB-1430P Pneumatic Impact WrenchTechnical Data:Impact Mechanism: Pin ClutchShank Size: 1/2"Maximum Torque: 678 Nm (3-stage adjustment with knob)Working Pressure: 6.2 barRotational speed: 6200 rpmAir inlet diameter: 1/4"Weight: 2.28 kgFIREBIRD is a Taiwanese company with 30 years of experience in manufacturing air tools. FIREBIRD's products are characterized by high quality workmanship and optimal price/performance ratio. The company focuses on meticulous quality control, so the offered devices are distinguished by durability and reliability.The technical parameters of the devices (such as torque) are not artificially inflated as is often the case with Chinese pneumatic tools.