| Moder | Part Code | Material | Color |
| SO-H8L-J5 | 803000749/11410862 | Iron | Silver |
The two-way hydraulic lock has two functions. One is to hold the pressure after the legs are extended to support the ground, so that the legs will not retract under the influence of vehicle gravity. The second is to keep the legs retracted during driving and will not extend or fall off.