The Knipex crimping pliers 97 61 145 A are suitable for crimping wire end ferrules DIN 46228 parts 1 + 4 in the range from 0.25mm² to 2.5mm². The crimping takes place in marked trapezoidal profiles for the secure connection of sleeve and conductor. The crimping pliers 97 61 145 A are forged from vanadium electrical steel and oil-hardened.