AIR LOCKER CN64A2-R 5/8 Inch to 2-1/2 Inch Heavy Duty Concrete T Nailer Magazine Capacity: 100 Fastener Size: 13-14 Gauges - 0.087" to 0.098" Diameter Fastener Length: 5/8" - 2-1/2" Long Nails Operating Pressure: 70-170 PSI Air Inlet: 1/4"