The Porter Cable 2-1/2 in. 16 gauge Finish Nailer features a maintenance-free motor for added reliability and long tool life. Drive 16ga finish nails from 1 to 2-1/2 in. long. This nailer features an internal piston catch for consistent maximum power on every shot and a rear exhaust to keep contaminates away from work. Also included is a tool-free depth-of-drive adjustment with detents for proper setting of nail heads, tool-free jam release mechanism for easy nail removal, and a sequential style trigger with a lock off switch.