At the Hilti Innovation Day 2019 event, we were introduced to the all-new SIE 9-A22 3/4" Impact Wrench. Performing like impacts with twice the torque rating, the SIW 9-A22’s double hammer impact mechanism delivers the powerful performance of a corded tool with reduced vibration for steady operation. The SIW 9-A22 is backed by Hilti’s 20-2-1 year warranty – 20 years of repair or replacement of defective parts; two years no cost repair including wear and tear; and a guaranteed one-day turn-around