Zigzag Knife is mainly used in packing machines with counter knife. So does traight teeth cutting knife; Guillotine knife; Circular teeth knife; Punching knife; Perforation knife; Scraping knife and so on packaging industrial knifes You will find the right blades here for cutting conjoined bags, packaging film, packaging bags, food bags, food, vegetables, papers, textile fabrics, etc. 1. Minimum cutting resistance 2. Notch sharpness 3. Surface smooth 4. Precise and durable Details parameters of picture teeth knife: 150-30-4mm with materil HSS; Double teeth