From crack and crevice to dusting large voids, it is the most versatile. Avoids risk of shock when dusting in and through outlets. Body, bellows, tube & nozzle are all long-life plastic. Will not rust, will not come apart during use. Wide bellows mouth makes filling easy, and interior filter helps prevent clogging. One quick tap of the rear of the base on a hard surface resolves most clogs without slowing work.