Working/ Maximum Torque: 900lb.ft (1224 Nm)/1000lb.ft (1360 Nm). Ultimate Torque: 1200lb.ft (1632 Nm). Combination of composite materials, alloyed metals & twin hammer design result in a lightweight, durable & powerful air impact wrench. Soft grip handle with downward facing exhaust makes this wrench comfortable on the hands & ears & limits the circulation of brake dust on wheel applications. Fingertip power control & direction via lever on rear of wrench. Suitable for professional garage use. Model No. GSA6004