1.100% brand new2.made of rustproof and durable carbide in silver color, sturdy and with excellent performance3.these quality carbide blades are good replacements for silhouette, refine, and die cut machines4.perfect for cutting media up to 0.25 mm thickness. You can use them to cut paper, cardboard, faux leather and so on,they are essential tools for festivals or party decorations.5.these cutting blade are suitable for materials from lightweight to medium-weight, including paper, cardboard, faux leather, etc.Material: tungsten steelColor: RedPackage Contents:10 * 45 Degree Cutting Replacement Blades1 * Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.