Unique Cooling Backing Plate - Aeroâ„¢The newly engineered UDOS 51E 5" (127mm) Aeroâ„¢ backing plate adapts aerospace industry technology to increase airflow through the tool when in use, and makes detailing work easier. The technology is currently patent pending._x000D_
Save money on replacement pads: less heat means that pads last longer_x000D_
Less discomfort on the job from overheating tools_x000D_
Easily check if the pad is rotating correctly, with clear markings on the backing plate