PORTER-CABLE FR350MAG Round Head 2 3/8-Inch to 3-1/2-Inch Round Head Framing Nailer with Magnesium Housing Uses standard 22 degree plastic collated full-round-head stick nails from 2-3/8-inch to 3-1/2-inch by .113-inch to .162-inch dia. (Uses Senco 3-1/2-inch by .162-inch style nail) Lightweight magnesium housing (7.4 lbs) Nail lockout mechanism alerts operator to reload tool and prolongs driver blade life Bypass nail pusher allows for quick reloading Tool-free adjustable exhaust In-line hard coat anodized magazine holds two nail strips (64 nails)