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)