![Standard Specifications](http://www.uht.co.jp/english/imgs/obi_standard1_l.jpg)
Model | Code No. | Max.number of revolutions without loading
| Max.size (Not including tip tools) | Air pressure supply | The amount of air consumption (per min.) | Weight |
| MAG-121N | 108 | 52,500rpm | 148 × 55 × 17 | 0.6MP | 120NL | 140g |
| MAG-122N | 107 | 35,000rpm | 141 × 45 × 17 | 0.6MP | 120NL | 140g |
| MAG-123N | 106 | 23,500rpm | 142 × 48 × 32 | 0.6MP | 120NL | 175g |
| MAG-093N | 105 | 23,500rpm | 138 × 41 × 33 | 0.6MP | 120NL | 160g |
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