Reversible Cultivator/Reversible Cultivator Shovels (Cultivator Points/ Cultivator Blades) Shovels are the components which actually penetrate the soil for the purpose of tilling they may either be press forged or close die forged from spring steel flat of required size (58 mm X 8mm- commonly used size) thereafter these are heat treated to give adequate hardness, wear resistance and ability to withstand impact loading.