... 4.HRC: 61-64 About Product: · Name:Leather Cutting Knife · Advantage :the life cycle of our products is long,and ... the surface is very good. · Applications: circular cutting knife of leather cutting machineAbout Factory: · Experience: We have 10 years ... quality,originality. · Good after sales service Designation Specifications Material Circular knife for leather cutting Φ70*40*1.0 SK5,SK2,SKS ...