Makita AN922 Round Head 2-Inch to 3-1/2-Inch Framing Nailer Fires standard 2" to 3-1/2" plastic collated 22 degree round head stick nails Easy accessible nail depth adjustment to nine different depths Lightweight (8.4 lbs.) and perfectly balanced for easy operation Unique features include built-in air filter, ergonomic handle and easy load magazine "Dry-fire" prevention system and a rubber bumper prolongs life of tool