Introducing the 18V Brushless 12.7mm Impact Wrench WR18DH(H4Z) from HiKOKI, a powerhouse tool designed to tackle your toughest tasks with ease. With its top-class tightening torque of 345Nm, this impact wrench delivers exceptional performance and efficiency. Equipped with an Auto-Stop function, it prevents over-tightening of bolts, ensuring precision and safety in every job. The Auto-Slow function suppresses drop nuts, further enhancing control and stability. Changing sockets is a breeze, thanks to its user-friendly design that allows for easy attachment and removal. Plus, the IP56 rating guarantees dust and water resistance, making it durable and reliable even in challenging working conditions. The WR18DH(H4Z) is a go-to tool for professionals who demand power, versatility, and reliability. Features: Top-class tightening torque of 345Nm; Auto-Stop function to prevent over-tightening of bolts; Auto-Slow function to suppress drop nuts; Easy to attach and remove the socket; IP56 (dust and water resistant); Specifications: Voltage 18 V Motor Type Brushless Capacity - Bolt M10 - M20 Capacity - High tension bolt M10 - M16 Max. torque Tightening: 345 Nm Nut Busting Torque 600 Nm Square Drive 12.7 mm (1/2") No load speed - High mode 0 - 2,800 rpm No load speed - Medium mode 0 - 2,400 rpm No load speed - Low mode 0 - 1,200 rpm No load speed - Single mode 0 - 1,800 rpm Full load impact rate 0 - 4,000 rpm Length 144 mm Weight (with Battery) 2.0 kg