A nail gun is operated using a trigger that activates the driving mechanism for the firing pin. The firing pin is pushed or released at high speed, driving the nail in to the material. A nailer can be used to drive fixings into a variety of materials taking almost all the work out of nailing, saving both time and effort on a job. Available in a range of power sources including cordless that allows greater flexibility than air or electric. Look for features such as angled or straight magazines giving greater accessibility and manoeuvrability.