Porta-Nails Inc. has expanded its PNI Hammerhead family of tools. New to the line are the Portamatic Hammerhead TL and S. The Hammerhead TL is a hammer-actuated pneumatic nailer, designed for nailing 1/2" and 3/4" tongue and groove wood floors. The Hammerhead S is a pneumatic stapler designed for use on the same types of flooring.For details, circle 157 on the Reader Inquiry Card.