The Air Locker 1/2″ to 1″ 23 Gauge Pin Nailer takes care of all of your finishing projects, such as crown molding and other molding, and does it quickly and efficiently. It fires the 23-gauge micro pin nails from the 150 pin bottom load magazine. This smart pin nailer even recognizes the length of the nail and automatically adjusts accordingly. The rubber comfort grip ensures hours of easy operation.