Lock-bodies are solid aluminum
Anodized lock-body with various options of colors
Extra long-time for shackle-electroplating
Single-locking bolt
All internal pins / wheels are brass
Resettable codes
| Item | A | B | C | D | E | G | H | Wg | Wheel |
| LM520 | 20 | 31 | 20.2 | 3.2 | 8.8 | 10.5 | 54 | 26 | 3 |
| LM525 | 25 | 31 | 20.2 | 4 | 11.9 | 11 | 55 | 32 | 3 |
| LM530 | 30 | 31 | 21 | 5 | 16 | 11 | 56 | 37 | 3 |
| LM535 | 35 | 39.5 | 24 | 5 | 19.4 | 11.5 | 68.5 | 58 | 4 |
| LM540 | 40 | 39.5 | 26.5 | 5 | 24.7 | 12 | 71 | 66 | 4 |
| LM543 | 40 | 33.5 | 24 | 5 | 24.7 | 12 | 62.5 | 57 | 3 |
