Bosch FNS250-16 16 Gauge Straight Finish Nailer Tool-less Adjustable Air Exhaust Tool-less Selectable Trigger - Easily Switch between bump and sequential fire Tool-less adjustable depth of drive - Adjust depth of drive on tool Narrow Nose for Excellent Line of Sight and Slim Body for Better line of sight and better control In-line self cleaning air filter - Keeps debris from the valve and o-ring improving life of tool