- High speed motor no-load speed: 12v/200001000r;P1,17W
- High efficiency point: 16000500r/min;P0,40W
- PC material cover: anti-ageing & anti-impact
- 20 degrees/25 degrees/30 degrees at random
- Stays cool.Includes: 3 Grinding stones sizes; 3/16, 5/32, 7/32 inches
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