The KFHA series is a unit manufactured by Sistema company. It is a hydraulic locking unit intended for cylinders with an ISO of 6020/2. Furthermore, the unit’s holding forces in both directions are up to 125 kN. It covers all sizes from 40-16 to 160-40. It is used to fix the cylinder rod infinitely. It can hold axial forces up to 10.9 kN in both directions.