采用高强度合金钢锻造，锁体与插销一体成型，防撬抗冲击
独特锁芯，防盗性强
| 型号 | A | B | C | 表面处理 |
| TW1843 | 5/8" | 6" | 6-3/4" | 磨砂哑光黑 |
| TW1843-01 | 5/8" | 6" | 6-3/4" | 亮光红 |
| TW1843-02 | 5/8" | 6" | 6-3/4" | 亮光蓝 |
| TW1843-03 | 5/8" | 6" | 6-3/4" | 电镀银 |
| TW1843-04 | 5/8" | 6" | 6-3/4" | 亮光黑 |
| TW1843-05 | 5/8" | 6" | 6-3/4" | 亮光灰 |
| TW1843-06 | 5/8" | 6" | 6-3/4" | 亮光白 |
