AIR LOCKER CN64A3 5/8 Inch to 2-1/2 Inch Heavy Duty Concrete T Nailer Magazine Capacity: 100 | Operating Pressure: 60-100 PSI Air Inlet: 1/4 inch Fastener Size: 14 Gauges - 0.087 inch Diameter Fastener Type: T-Nails (both hardened and galvanized) Fastener Length: 5/8 inch - 2-1/2 inch Long Nails