The Chip Guard for Capri Tools Windstorm EX High Performance Air Blow Gun deflects debris and provides added protection. It should be used in conjunction with wearing safety goggles and other safety gear. Light and durable polycarbonate construction make it easy to use and maintain. Clear guard gives you ultimate visibility. Easily place and remove the Chip Guard with a simple turning knob. Compatible with Capri Tools Windstorm EX High Performance Air Blow Gun (1/2-18 straight thread).