... &hardness 4. high wear resist Stainless steel 420J2 VCM40 food processing chopper knife OEM/ODM is welcome! Any customized shape ... : 1. Application: for cutting Wood, plastics, rubber, paper, food, leather, electronics, fabrics 2. for grooving and cutting with less ... for the job:AvailabilityDurabilityRust resistanceCutting processCostsEdge geometryWear resistance VCM40 food processing chopper knife