The knipex 75 02 125 extra slim diagonal cutters are constructed from solid style forged top quality steel with precision non slip tips for added strength and durability with high quality material and precise workmanship for long service life clean cutting at cutting edge tips for hard or soft wire or thin copper wires with narrow head style for use in confined areas like most of the knipex range of pliers all components have oil hardened edges and hardened electric steel forged to approximately