FIREBIRD FB-4230 Pneumatic Impact WrenchTechnical Data:Stroke Mechanism: Pin LessShank Size: 1"Maximum torque: 1900 Nm3-stage torque adjustment for left and right directionWorking pressure: 6.2 barRotational speed: 4000 rpmAir inlet diameter: 1/2"Dimensions (DxSxW without handle): 550x185x130 mmWeight: 13 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.