Mobile Vehicle Security Barriers The HITOMARUKUN is a lightweight mobile crash barrier featuring a foldable structure with no locking mechanism - unfold and use immediately. Weighing only 13.4kg, it can be easily carried and deployed by a single person. When folded, its compact size allows for convenient vehicle storage and on-demand portability. Designed for low-speed urban sections, municipal construction, and residential work zones with speed limits of 30 km/h or below.