Semi-Automatic Bollards from ännTTM are designed to control access to a site. Semi-automatic bollards provide the added convenience of not having to manually lift the bollard. Leveraging the assistance of an internal gas strut, the bollard raises automatically when the unit is unlocked–for added convenience without sacrificing security. The single gas actuator that enables the operation of a semi-automatic bollard allows the bollard to retain a similar architectural appearance to that of the fixed and removable bollards, without the need for an electrical hookup. The semi-automatic bollards from ännTTM are ultra-convenient-and cost-effective-perimeter security solutions.