14
日本OBA丸型拉力棒OBA-500;OBA-50
| 型號 | 量測範圍(gf) | 刻度讀值(gf) | 全長(mm) | 水平誤差(gf) |
| OBA-10 | 10 | 0.5 | 180 | 3 |
| OBA-30 | 30 | 1 | 213 | 3 |
| OBA-50 | 50 | 1 | 213 | 3 |
| OBA-110 | 110 | 2 | 221 | 10 |
| OBA-200 | 200 | 5 | 221 | 10 |
| OBA-300 | 300 | 5 | 221 | 10 |
| OBA-500 | 500 | 10 | 268 | 30 |
| OBA-600 | 600 | 20 | 268 | 30 |
| OBA-1000 | 1,000 | 25 | 268 | 30 |
| OBA-1500 | 1,500 | 50 | 268 | 30 |
| OBA-2000 | 2,000 | 50 | 268 | 30 |
| OBA-2500 | 2,500 | 50 | 285 | 50 |
| OBA-3000 | 3,000 | 50 | 285 | 50 |