Senco 4H0001N Full Round Head Framing Nailer Weighs only 7.3-pounds, lightweight and well balanced Uses up to 15-percent less air then other competitors tools due to a highly efficient internal design Patented True Drive magazine reduced jams and misfeeds Low profile design has an 11.7-inch height, easily fits between studs and joists Patented switchable trigger and drive selector, contact or sequential