Designed for efficient sanding of drywall, the GTR 550 Professional is the reliable partner for construction workers taking on demanding jobs. The drywall sander features a patented "UltraFlexible Head" that allows effortless movement along ceilings and walls with significantly reduced risk of surface damage. With the ceiling suction function, the weight of the tool is partially sucked up to the ceiling, making sanding on the ceiling more comfortable. This electric drywall sander has an ergonomic L-shaped handle for added comfort and maximum convenience in any working position.