Model No. Cb-Lkey Features1. High-Carbon Steel: Durable, High-Carbon Steel Construction For Long-Lasting Sharpness.2. Precision Edge: Sharply Honed Edge For Clean, Accurate Cuts.3. Corrosion-Resistant: Coated Or Plated To Resist Corrosion And Extend Blade Life.4. Easy Installation: Simple, Tool-Free Installation For Replacement Blades.Applications1. Office Use: Ideal For Cutting Paper, Cards, And Other Office Materials.2. Crafting: Suitable For Various Crafting Projects, Such As Scrapbooking, Card Making, And Origami.3. Education: Used In Schools And Educational Institutions For Various Paper-Cutting Tasks.4. Graphic Design: Used By Graphic Designers And Artists For Precise Paper Cutting And Trimming.