Oil-free operation requires no regular maintenance and eliminates the risk of oil stains. Selectable trigger system converts from sequential to contact operation. Low nail lockout prevents dry firing. Swivel air fitting with internal filter improves maneuverability. Ultra-quiet rear exhaust with muffler directs air away from the user. Reversible belt hook with integrated pencil sharpener. Dial-A-Depth™ control for precise countersinking. Lightweight magnesium design for added durability.