... sharp. Advanced Sub-zero quench process to increase the blade hardness up to 60-61HRC.*Ergonomic handle design with anatomic ... size: 6.5",7",7.5",8",8.5",9"Scissors, hair scissors razor edge ,hairdressing scissor Zhangjiagang Liyuan Scissorswww.liyuantools.comName ... HITACHI Steel, 60-61HRC;SUS440C Steel, 59-60HRC;Blade:Straight or Curve blade, Full convex edgeScissor Type:Two-piece welded Screw Nut ...