... thickness:as your requested diameter: many kinds Jagged Disc Blade:The company is one of the professional manufacturer of ... and harrow. It has a production line for disc blade producing, cleaning and painting. We can produce discs made of ... rotary tiller,potato planter,potato harvester,cultivator,subsoiler,seeder,box blade,ridger,ditcher,stubble cleaner,hole digger, fertilizer spreader, farming ...