It is suitable to cut any printing & packaging material. Best quality with lowest price. Spring punch,Tube punch.Engraving punch ,Guide ... streel in black color,hardness is around HRC 55,cut tole rance is 0.05mm, It is suitable to ... can be reach to HRC 60,cut tolerance is ±0.03mm,Its merits are high precision and much longer cutting life ... sunch as PVC ,plastic and electric material. Punch for die cut