The dewalt dcn692p2 has brushless technology for a longer tool life and greater work efficiency there are two speeds or power levels to choose from in order to optimise the nailer when firing various nail lengths this nailer boasts a greater runtime is ready more quickly to fire repeatedly and produces less recoil than similar models it is also more durable the brushless motor provides enough power to fire a 90mm ring shank nail in soft wood and up to 63mm in hard there is a sequential o