The self-generated sander, independent sanding, no vacuum cleaner is required. The dust can be collected into the dust-collecting bag during operation to keep place clean and save the operator from the air pollution.
1. Free speed: 9,000rpm. 
2. Air pressure: 90psi. 
3. Avg. air cons.: 5cfm. 
4. Hose size: 3/8". 
5. Air inlet: 1/4"-pt. 
6. Pad size: 5". 
7. Net weight: 2.4lbs(1.1kgs).
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