Two nailers in one: includes two quick change nosepieces to convert tool to either framing or metal connector applications. Patented push button adjustable depth guide sets nails to desired depths. Lightweight magnesium design for added durability. Adjustable rafter hook allows users to hang tool on rafters and joists. Specs: Operating Pressure: 80-120 PSI; Thread Fitting Type: 1/4 in NPT.; Weight 8.1 lbs, 3.67 kilos; Driving Power 1050 in Lbs. Fastener Range Framing: 2 in to 3 1/2 in 21° Plastic Collated Stick Framing Nails; Fastener Gauge Framing: .113 in -.162 in Diameter; Metal Connector Nails: 1 1/2 in to 2 1/2 in ; Metal Connector Nails: .131 in -.162 in Diameter; Magazine Capacity 60 Nails.