6" Air Random Orbital Sander Auto Body Pneumatic Palm Sander 10000RPM w/ 7 Discs. 6" Air Random Orbital Sander Pneumatic Palm Sander 10000RPM w/7 Sandpapers. Product Type: Air Random Orbital Sander. Air Sander Size: 21cm x 15cm x 11.5cm/8.27in x 5.91in x 4.53in (L x W x H).