Makita claim their DTW1002 output to be 1000Nm of torque, let's find out #2603 - YouTube
Makita TW1000 1" Impact Wrench w/ Friction Ring Anvil , Blue - Power Impact Wrenches - Amazon.com
Supsupsiu Brushless Electric Impact Wrench Cordless Impact Wrench 1000Nm High-Torque Impact Driver with LED Work Light Powerful Wrench Tool for Car Tire Repair Wood Metal - Walmart.com