Attributes . Photo: 0.1 RPM (≤999.9) / 1 RPM (>1000); Contact: 0.1 RPM (≤999.9) / 1 RPM (>1000); Surface: 0.1 m/min (≤99.99) / 0.1 ft/min (≤99.99) / 1 ft/min (>1000) . Names