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 Versatile replacement blades fit with all standard light and medium duty craft knives including Xacto Knife Perfect for graphic artists, designers and arts and crafts applications – wood carving, scrapbooking, model kits, paper crafts and more Includes a pack of (100) #10 curved edge blades with 1.43 x 0.25 x 1.0 inch edge