Aitchison Seedmatic 4024DT Disc Drill Seed only Each spring loaded disc has a factory set preload. This can easily be increased by a pin reposition. Features Unique Aitchison sponge seed distribution system is gentle and accurate Rodent stop slide mechanism on all models Calibration and changing from large to small seeds is an easy task Large loading platform Fitted with rear tow hitch as standard Strong 406mm x 4mm thick concave flat-back cutting discs at 5`` / 125mm spacing SPECIFICATIONS Seeding Width: 3m Seed Capacity: 780lt No. Discs: 24