Oil-free engine: requires no daily maintenance and eliminates risk of oil stains on work surfaces * Selectable trigger system: easy conversion between sequential or contact modes, trigger lockout mode for use when working in occupied spaces * Dial-A-Depth control: quickly and conveniently set fasteners to desired depths * Swivel air fitting: increased maneuverability, filtered air inlet for improved engine durability * Reversible belt hook: with integrated pencil sharpener for ultimate convenience