| Specimen length | Common 10″（25.4 cm）or 20″（50.8 cm）adjustable |
|---|---|
| Turn direction | Obverse and inverse turn (S twist or Z twist) all can use |
| Weight | Original weight 2.5N (Additional weight: 2.5Nx1, 5Nx1, 10Nx1) |
| Revolution indication | LCD display, with button to return zero |
| Transmission | Manual test per three rounds specimen backs one twist circle |
| Dimension | 93×15×45cm |
| Weight | 20㎏ |
