Hitachi NR90GR Round Head 2-inch to 3-1/2-inch Cordless Gas Framing Nailer  (Discontinued by Manufacturer) 2-inch to 3-1/2-inch cordless gas full round head framing nailer Tool-free depth of drive adjustment; drives up to 1,200 nails per fuel rod and 2 nails per second Plastic housing; rubber Elastomer grip Includes nailer, battery, charger, safety glasses, case 14-1/4-inches long; 7.7-pounds; 5-year warranty