Offset Disc Harrows Heavy type, mounted to tractors by three point linkage system, are trailed & mounted type of disc harrows. The users desire can use it either as mounted or as trailed type. Disc harrows are made of steel square rods, high resistant bearings, heat treated discs linked to the main chassis. It is also possible to use in the vineyards (mounted) and in the plain soil fields (trailed.) Discs are boron steel with 45-50 HRC hardness. It is used for ; seed bed preparation and smashing the weeds.