Springs for Fontanesi FF d.8 comb rake. Tooth for comb harrow for Fontanesi seeders. Below are some tooth measurements: height: 310 mm hole: 10.5mm spring diameter: 5.5 mm comb distance: 75 mm The rake spring in question is applicable to Fontanesi rakes type FF D.8 The detailed measurements of the harrow tooth can be found in the image._x000D_Applications FONTANESI FF8.9.11 B.C.S. type shape Springs length 310 mm Springs width 75 mm Wire 5.5mm Hole 27 mm Spring model In Pettine Attack diameter 10.5mm