CP7220E Chicago Pneumatic Orbital Sander, w/ 3/32” Orbit The CP7220E Chicago Pneumatic Orbital Sander, w/ 3/32” Orbit is designed for high performance with a low noise non vacuum model available in PSA and Hook and Loop pads. This orbital sander includes true oil-free operations to keep contaminants away from the sanding process and has a high durability thanks to the simple and robust design. The CP7220E Chicago Pneumatic Orbital Sander, w/ 3/32” Orbit is ideal for versatile sanding applications and should be used for final sanding, finishing and pre-polishing processes.