Porter Cable Drywall SanderVariable speed dial settings from 1,400 2,000 RPM. Brush type skirt surrounds sanding pad, preventing gouging of wall joints and aiding in dust collection. Motor located on opposite end of handle from sanding head, providing balance and control. Built in dust collection hose. 1 1 4" vacuum hose is 13' long so that large areas can be sanded in one set up. Articulating sanding head allows user to sand wide area without changing positions.