... .HRC:44-48 HRC 4.working hrs:200-250 hrs Tractor rotavator blade sonalika in Indiacompany nature:tiller blade manufacturercompany history ... cultivators and tractors, exporting to Spain, Italy, Japan, Europe, USA, India, Middle East, Australia, etc.1)Material: spring steel, 65Mn, 60Si2Mn ... accurate offers. Surely we can product as per your requirements. Tractor rotavator blade sonalika in India