Ingersoll Rand Air Sander, Fiber Pad, 18000 RPM. 0.45 Horsepower and 18000 RPM. Access: With a 3" (75mm) and 5" (125mm) pad, this sander is great for small jobs and hard-to-reach places. This economical high-speed sander is ideal for light sanding, feather edging, and rust removal.