Features:
For small jobs and hard to reach places, the IR 317 is an economical high-speed sander ideal for light sanding, feather edging, and rust removal.
Easy to handle, compact and lightweight
Built-in power regulator
Comes with three backing pads, 1 eacg 3", 1 each 4", 1 each 5" (pads are stackable)

Specifications:
Free speed: 18,000 rpm
Rated power: N/A
Pad diameter: 5" (125 mm)
Vacuum ready: No
Weight: 2.3 lbs. (1.04 kg)
Average air consumption: 12 cfm, @ load 25 cfm
Sound (pressure/power): 96.5/109.5 dBA
Air inlet: 1/4"