The #11 is the most popular hobby knife blade, 100% Made in the USA from carbon steel with a fine point straight edge for trimming wood, plastic, paper and leather. These versatile replacement blades fit all standard light to medium duty craft knives including X-Acto Knife. They are sharper than average blades, these double honed hobby blades have a strong tip and flex without breaking to keep their edge and tip longer, and are coated in a thin layer of oil for rust protection. They are perfect for graphic artists, designers and arts and crafts applications - wood carving, scrapbooking, model kits, paper crafts and more. Includes a bulk pack of (100) #11 double honed blades with 1.56 x 0.25 x 1.0 edge.