Shop for Tools & Hardware at The Home Depot. The QEP Porta-Nails 472A Portamatic-S Pneumatic 15-1/2 in. Gauge Hardwood Flooring Stapler is proven perfect for 1/2 in. and 3/4 in. domestic hardwood and 1/2 in. solid and engineered wood flooring. Operating with 90 PSI, the Portamatic-S is mallet operated to ensure the tightest floor possible. Designed to use standard 15-1/2 gauge, 1/2 in. crown flooring staples with a magazine capacity of 150 staples with rapid fire capability. The ergonomic handle is 2 inches taller than most staplers to reduce back fatigue and strain. It is designed to avoid marring the surface of pre-finished flooring and has a reversible shoe that accommodates either 3/4 in. or 1/2 in. thicknesses. An integrated safety helps prevent accidental discharge. The 472A Portamatic-S comes complete with mallet, wrenches, pneumatic lubricant, safety goggles, reversible base shoe for 1/2 in. and 3/4 inch flooring, swirl air inlet connector and owner/operator manual in a molded case. Long lasting performance has a limited manufacturer warranty for 10 years that is fully supported with readily available parts and if preferred, a warranty repair center.