This pneumatic version of Porta-Nail's original Hammerhead employs the original Preferred-Seating system. Designed for nailing 1/2" to 33/32” tongue and groove wood flooring, it can be easily converted to a face nailer by simply changing the shoe. Mallet activated and holding up to 200 2" Porta-Nails the Portamatic's air chamber provides for rapid cycling with 90-100 psi.