- The highest quality with the most competitive price. - High performance of disassemble.- Three forward and reverse speeds design guarantees efficient operation. - Lightweight and ergonomic design helps to reduce fatigue.- Widely used for workshop and industrial applications. Square Drive: 1/2"Free Speed: 3600rpmMax.Torque: 2200N.mHammer Mechanism: Twin HammerAir Inlet(npt): 3/8"Air Hose(I.D.): 3/8"Air pressure: 90psiอ่านเพิ่มเติม