Mechanical tyre killers is a good choice for vehicle access control projects without available power supply. TiSO offers two types of
such devices: springs or lever drive. In the first case, spikes always remain raised and one direction free to pass. Dealing with lever
operated tyre killers, you get three operation modes: spikes up and blocked to both directions, spikes down and blocked, spikes up
and free to one direction. The range is classified according to variety of blocking widths and spikes lengths. Also, we should mention
optional installation configurations: surface / above the ground or submerge / ground level.