DEWALT D51238K 5/8-Inch to 2-Inch 18-Gauge Brad Nailer Tool-free depth adjustment assists in locating the perfect depth setting for precise nail penetration Side low-nail indicator window allows user to quickly and easily see when it is time to re-load Overmolded no-mar pad increases visibility and reduces marring on material Tool-free jam clear eliminates down-time from bent fasteners caught in the nosepiece Tool-free 360 degree exhaust channels air and dust away from user; Trigger lock-off allows trigger to be disabled when not in use