Schmitz 20ft Open Top Container Pack (Update) v1.3

Standalone Schmitz 20ft Open Top Container Pack (Update) v1.3

Cargos:
- Schmitz 2ft OpenTop 12-31 tons
- Schmitz 2ft OpenTop empty 2 tons
- Schmitz 2oft Opentop Container
- 6 skins

Tested on 1.26.x game version