These multipurpose nozzles extend the capabilities of the Capri Tools CP21089 2-Way Air Blow Gun. Five multipurpose nozzles are included: Air Shield Nozzle, High Flow Nozzle, Air Concentration Nozzle, Air Spreader Nozzle, and Rubber Tip. The Air Shield Nozzle creates a side air flow forming a shield to prevent a backflow of dust to user, the High Flow Nozzle doubles the air flow, the Air Concentration Nozzle focus air on specific spots, the Air Spreader Nozzle distributes air over a wide area, and the Rubber Tip help protect delicate surfaces while you work. These 3/8-24 threaded accessories are compatible with Capri Tools CP21089 2-Way Air Blow Gun. They are also compatible with Capri Tools CP21350 High Performance Air Blow Gun via an adapter