The Rubin 12 is suitable both for stubble cultivation and for primary soil tillage even under the heaviest soil conditions, Two rows of serrated concave discs Symmetrically arranged, Optimum penetration, Specially curved and coiled legs, An impact harrow and a levelling harrow, Mechanical Condition: EXCELLENT, Blade Size: 29, BladeSpacing: 13", BladeMountingType: CUSHION