General description This Ryobi 18V ONE+™ Brushless Compact 1/2" Impact Wrench (Model RIW18CBL-0) is designed for automotive tasks, making it perfect for removing car wheel nuts and working within the engine bay. It is part of the extensive Ryobi 18V ONE+™ system, which includes over 200 cordless tools. Technical specifications Drive size: ½ inch square Speed settings: 4 Other information This tool does not include a battery or charger.