
| item no. | wheel size (dia.) | max. speed |
| AS-142A | 50 mm | 10,000 rpm |
| AS-142B | 75 mm | 8,000 rpm |
| AS-142C | 100 mm | 6,000 rpm |
* grit: 80#
| item no. | wheel size (dia.) | max. speed |
| AS-142A | 50 mm | 10,000 rpm |
| AS-142B | 75 mm | 8,000 rpm |
| AS-142C | 100 mm | 6,000 rpm |
* grit: 80#