It allows for aeration and clearing of land to large depth, thus facilitating the penetration of water. The machine is complete with ball diam. cm. 10, which allows you to drill a drainage channel that remains over time. The anchor is secured to the frame by a bolt of security, which in case of a collision enable him to disengage and rotate backwards. At the top of 'yet there are 3 holes that allow you to adjust the' height cm. 50 cm. 80, so it can adapt to any tractor. Furthermore, it is provided with a third point mechanical (on request also hydraulic) that allows all 'again to change the' angle according to the necessity of 'operator. Total weight kg. 190.