Aviation Snips 55# high carbon steel,CRV or CR-MO forged; Heat treatment HRC56-60; Cutting capacity:cold rolling sheet 1.2mm. Aviation Snips:1. Drop forge from 55# high carbon steel,CRV or Cr-Mo steel,2. Head overall heat treatment 42-46HRC,3. Cutting edge two times high frequency 56-60HRC,4. Cutting capacity: cold rolling sheet 1.2mm,5. Cutting capacity: stainless steel 0.80mm,6. Size: 10". ...