Makita XWT04Z 18-Volt LXT Lithium-Ion 1/2-Inch High Torque Impact Wrench (Tool Only, No Battery) - - Amazon.com
Mustool Cordless Impact Wrench High Torque Electric Brushless Motor, 800Nm Torque 1/2" Square Kit with LED Light & Lithium Battery & Fast Charger - Walmart.com