Features 1、3 Types of Blades: The cutting plotter knife holder has 3 different types of replacement blades to suit your needs for different crafting needs 2、Incisive Cutting: The blade is made of tungsten steel, which is durable and not easy to rust. The knife holder is made of aluminum alloy, suitable for cutting media with a thickness of 0.25mm to 5mm 3、Convenient and Practical: the blade is suitable for acrylic, plastic, carbon fiber, particleboard, cardboard, artificial leather, MDF, PCB, wood, etc 4、Safe Packaging: To avoid scratching your fingers, the blade is inside a rubber cover, please pull it out of the protective cover when using 5、Scope of Application: 30° blade for thin media like window color, film, rice paper, 45° blade set for paper, vinyl, stickers, 60° blade set for deep media like fabric, cork Specification Item Type: Cutting Plotter Knife Holder Kit Product Material: Tungsten Steel Main Use: Cutting Plotter for Processing Single Layer Materials Package List 1 x Cutting Plotter Knife Holder 15 x Computer Engraving Knife