?AFTER-SALE SERVICE: Our excellent #11 replacement hobby blades are designed to bring you great convenience. Your satisfaction is our top priority, and if you have any questions, please don't hesitate to contact us. We are always here to help!. ?WIDELY USED: The exacto knife blades feature a 25-degree blade angle, making them perfect for cutting a variety of materials, including wood, cloth, scrapbooking supplies, plastic, cardboard, leather, and foam board for crafting. They have many other uses as well. ?SAFE STORAGE CASE: The 100 standard #11 exacto blades come in a box. The individual packaging ensures that the blades won't be lost after opening, providing convenient storage and use. ?SHARP EXACTO KNIFE BLADES: The high-quality exacto knife blades are sharper than ordinary blades. To protect against rust, they are coated with a thin layer of oil. ?PREMIUM MATERIAL: The hobby knife blades are made of premium SK-5 high-carbon steel, which is sharp and durable. The #11 Precision blades can be used with all types of exacto knives. In addition, there are 100 pieces in the box, providing ample supply for confident use.