Hitachi NR90ADS1 2-Inch to 3-1/2-Inch Paper Collated Framing Nailer New head guard design allows for quicker disassembly during tool maintenance Lightweight and well-balanced for ease of maneuverability and less user fatigue Selective actuation allows for quick changes between sequential and contact nailing with the flip of a switch Tool-less depth adjustment to countersink or flush drive into a variety of materials Two piece anodized aluminum magazine making repairs or replacements easy and with minimal expense Two step nail loading allows for quick and easy reloads Rubber grip overmold on the handle and trigger provides a secure grip, while additional overmold on the backside of the nailer adds comfort when nailing in overhead applications