Ambush™ is the most trusted 20-Volt battery powered tool in the Auto Glass Industry. It is designed with a sheath that encloses the blade shaft to provide protection and is also equipped with a quick release clamp for easy blade changes. This mobile tool features an ergonomic design with the power necessary to quickly remove the most difficult glass with optimal control. With a fully charged battery you should get up to 3 removal (entire ) windshields or 10 bottom only cutouts.