Stalcraft Wiki: IU-2 Container

In-game description (EXBO)

An artifact container designed specifically for the Bear exoskeleton. Due to the outdated servomotors, the exoskeleton has very little space for containers, which limited the possible size of the IU-2. @@§6Compatible only with the Bear exoskeleton.

Quoted from the game's own text in EXBO's public game data. Not written by STALCRAFT Meta.