... or 60Si2Mn 3.Service:OEM-oriented C type rotavator blade/tiller blade flatHole sizeHole distanceWorking widthWorking radiusweighttiller blade7*80mm14.5mm57mm127mm194mm1kg1.Model ... :blace,bule,red or as requirement5.Main application: heterotypic power tiller, rotary cultivator,straw chopper , straw disintegrator , ensilage cutter ,fodder disintegrator ...