This product provides non-stop ploughing with its spiral spring system. You can install new security system with one small spare part instead of changing whole system when there is deformation of working part. Our Automatic mechanic-spring plough is 3 knife and slat mouldboard. It is manufactured with non-welded body. We have models suitable for all tractors. Its protects tractor and plough by its mechanism on rocky and rooted soils.