Front spring for Ima La Rocca Cimac seed harrow Standard type front spring tooth for Ima La Rocca harrow, of excellent quality made in Italy. Original Marzia seeder code: 71.406 - 56436 - CP1990 Spring measurements for front Ima La Rocca seeder: Total length: 235 mm Length from under attack: 225 mm External diameter of the hole: 53 mm Thread thickness: 7mm Connection square length: 160 mm_x000D_Material Steel Color Black Production Made in Italy Applications Seeder and harrow Ima La Rocca Cimac Springs length 225 mm Springs width 160 mm Wire 7 mm Hole 53 mm Spring model Front Standard