Material CR-NI Surface treatment Blacken polished Handle PP-TPR TTL length(mm) 170 Head width(mm) 27 Head thickness(mm) 11 Working length 22.5 Hardness 45 CR-NI forged blade Angle head design provides great optimal transmission High leverage design for force-saving Cutting capability : Hard steel2.0mm, Soft steel 3.0mm, Copper 3.2mm