Sub soiler with very strengthened frame, share of steel 3cm. and design of gradient allow plowing even in the hardest grounds. The share is equipped with security bolt, so in case of big obstacle, the bolt is cut without further damaging the sub soiler or the tractor. The main advantage of the sub soiler is that it achieves plowing without reversing the ground, it improves the land structure of soil by attributing to the best water absorption. There is also optional installation disks 51cm. with a hydraulic lift system.