Makita 18V LXT Lithium-Ion Cordless 1/2 in. Sq. Drive Impact Wrench Kit, (3.0Ah) XWT04S1 - The Home Depot
Cordless Impact Wrench High Torque Electric Brushless Motor, 800Nm Torque 1/2" Square Kit with LED Light & Lithium Battery & Fast Charger - Walmart.com