High carbon steel for superior performance on the job. Specially coated for ultimate rust prevention. Precision machined knife and anvil style cutting edges to ensure perfect mating and superior cutting edge life. Cutting capabilities include piano wire (0.056" min diameter - 0.091" max diameter), hard wire (0.047" - 0.091"), medium hard wire (0.047" - 0.091") and soft wire (0.162" max diameter).