1. Double walled in construction
2. Gap between the two walls filled with high quality fiber glass wool.
3. Powered by continuous duty, variable speed self cooled PMDC Motor with speed control up to 200 Oscillations per Minute.
4. Adjustable step less strokes from 0 to 2″.
5. Speed is continuously variable from 50 to 200 RPM and displayed on a Digital Speed Meter.
6. Supplied with Stainless Steel pyramid type cover.
7. Unit works on 230 V AC, 50 Hz. Supply.