The working body for the rotary harrow (hoes) is one-piece complete or the wheel of the one-piece rotary harrow is made of sheet metal by plasma cutting of grade 45 steel. When cutting, high temperatures occur due to which the wheel edges are quenched. It has 4 holes for mounting the hub. A tooth thickness of 10 mm provides an excellent result in work and high wear resistance. By pressing, 2 SKF bearings, size 204, are installed.