Teeth Knife is mainly used in packing machines. So does Straight teeth cutting knife; Guillotine knife; Circular teeth knife; Zigzag knife; Counter 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: 68-30-1.5mm with material HSS; Single teeth