Front spring for Marzia closed type seeder harrow Closed type front spring tooth for Marzia harrow, of excellent quality made in Italy. Original Marzia seeder code: 71.408 - 56439 - CP1992 Spring measurements for Marzia front closed type seeder: Total length: 315 mm Length from under attack: 245 mm External diameter of the hole: 53 mm Thread thickness: 8mm Connection square length: 160 mm_x000D_Material Steel Color Black Production Made in Italy Applications Marzia harrow and seeder Springs length 245 mm Springs width 160 mm Wire 8 mm Hole 53 mm Spring model Closed front