The AIRCAT 3/4” Impact Wrench Kit, No. 1770-XLK, provides 1,600 lb-ft of loosening torque. Its refined design twin hammer increases blow frequency and efficiency. Additional features include: a power management switch with three power settings, molded-in buffers to protect from side impact and ergonomic grip and trigger to provide operating comfort.The 1770-XLK is designed for heavy duty fleet maintenance and industrial MRO work.