Master Mechanic, 34 Degree, Clipped Head, Framing Nailer, Anodized Aluminum Rail & Cylinder Construction Improves Overall Tool Life, Tool Free Depth Adjustment System Makes It Quick & Easy To Adjust Driving Depth For The Project, Lightweight Magnesium Housing & Construction Improves Comfort & Control During Operation, Anti-Dry Fire Mechanism Helps Prevent Tool Damage From Dry Firing When Empty, Non-Marring Nose Tip Prevents Damage To The Work Piece During Use, Teflon O-RingsProvide A Tight Seal For Maximum Air Transfer Efficiency, Interchangeable Single Fire & Bump Fire Triggers Provide Versatile Operation On All Projects, Ideal For Framing, Wall Sheathing, Siding Installation, Sub-Floors, Pallet Building, Wood Box Assembly & Fencing, Uses Between 30 Degree To 34 Degree Clipped Head Paper Collated Framing Nails Ranging 2" To 3-1/2" Length.