High quality standard #10 general purpose hobby blades, 100% Made in the USA with a steel curved edge that's perfect for carving, slicing, or trimming plastic, wood, paper, and more.These versatile replacement blades fit with all standard light and medium duty craft knives including Xacto Knife.They are perfect for hobby and arts and crafts - scrapbooking, model kits, paper crafts and more.Includes a pack of (5) #10 curved edge blades with 1.43 x 0.25 x 1.o inch edge.