With gas-spring mechanism: 
TiSO semi-automatic bollards is a perfect solution for effective vehicle access control
under the circumstances of unavailable power supply. Semi-automatic bollards
have gas spring mechanism which is locked at down position and rise rapidly when
released. Being complete and independent solution, semi-automatic bollards require
manual impact for driveway opening or closing.

With drill drive mechanism: 
The same like semi-automatic, TiSO drill drive bollards intend to fit installations without
power supply availability. The operation principle determined by the drill impact,
which gets blocking segment up or down according to screw direction. This solution
intends to manage traffic of low intensity and featured with outstanding lifetime,
due to lack of consumables in its operation and design concept.