The Porter-Cable 16-Gauge 2-1/2 in. Finish Nailer offers durability and convenience in a compact design. It has a maintenance-free motor designed for long life and an internal piston catch for consistent power. The depth-of-drive is adjustable and jams can be easily freed without tools. This nailer has an adjustable exhaust port to help maintain a clean work surface and direct particulates away from the user.