Hilti SIW 22T-A 22-Volt Lithium-Ion Cordless 1/2 in. Impact Wrench Bare Tool - Walmart.com
Hilti - SIW 8-22 1/2" CORDLESS IMPACT WRENCH "This new impact wrench features two torque settings of 443 ft-lbs and 738 ft-lbs. Weighing in at 5.3 lbs for the bare tool." says