The Porter Cable 5 in. Random Orbit Sander is ideal for surface preparation for coating, smoothing seams and for removing paint, varnish and old coatings. Featuring 1.9 Amp that provide 12,000 OPM for maximum sanding speed on smooth finishes, this sander is lightweight and easy to use with a dual plane, counter-balanced fan that reduces user fatigue on longer jobs. The controlled finishing system maintains controllable pad speed to minimize gouging during startup and with a dust sealed switch that protects the sander from dust ingestion, you get a longer switch life and added durability.? Provides maximum sanding speed for smooth finishes ? Controlled Finishing System maintains controllable pad speed and minimizes gouging during start up ? Dual-plane counter-balanced fan reduces user fatigue ? Dust-sealed switch protects against dust ingestion for longer switch life ? Sealed 100% ball-bearing construction ? Accepts 5″, 8-hole hook and loop paper