![as-139a](https://www.custor.com.tw/archive/product/pneumatic_tool/as-139a.jpg)
item no. | wheel size (dia.) | max. speed |
AS-139A | 50 mm | 13,000 rpm |
AS-139B | 75 mm | 8,000 rpm |
AS-139C | 100 mm | 6,000 rpm |
* shank diameter: 6 mm
item no. | wheel size (dia.) | max. speed |
AS-139A | 50 mm | 13,000 rpm |
AS-139B | 75 mm | 8,000 rpm |
AS-139C | 100 mm | 6,000 rpm |
* shank diameter: 6 mm