Adjustable depth guide sets nails to desired depths. Lightweight magnesium housing design for durability. Soft rubber foot prevents damage. Tool-free adjustable exhaust conveniently directs exhaust away from the user. Specs: Tool Weight: 4.7 lb; Height : 14.96″; Air Inlet Size: .25″; Operating Pressure: 70-120 PSI: Fastener Specifications: 15 Degree Wire Weld & Plastic Inserted Coil Siding Nails (1 1/4″ – 2 1/2″).