All Variations of Lock Bars for Modular Space Station System (MSSS). Includes: Curved Lock Bar for rooms with 3 or 4 airlocks Flat Lock Bar for all most rooms.

Instructions:

1. Place tunnel in airlock of a room module
2. Ensure Holes are matching between both parts
3. Slide Lock bar into holes and press firmly until bar is flush with the surface of the room.

Works with other parts of MSSS. Other Parts Sold Separately or in packs