Ingersoll-Rand Model 312A Heavy Duty 3-2/3" x 6-3/4" Orbital Sander.
The IR312A air orbital sander has a free speed up to 8,000 rpm to make fast work of smoothing fiberglass, wood, and body filler and to take care of any sanding job on paint, metal, and fiberglass. And you can run the IR312A with one hand, using the compact, contoured palm-grip.
No vibration plus longer-life.
Balanced ball bearing construction.
Automatic release throttle lever with positive stop action.
Built-in regulator for positive speed control.
Positive locking clamps.
Comes with a 3-2/3" x 6-3/4" pad.
Free speed: 8,000 RPM;
Rated power: 0.30 hp;
Avg air consumption: 6CFM.