Blades feature a snap-off design, allowing you to easily break off the dull or worn-out section of the blade and reveal a fresh, sharp cutting edge., Supercraft Snap Off Knife Blade Small is designed to be compatible with most standard snap-off utility knives., Small snap-off knife blades are versatile and can be used in various applications, including arts and crafts, model making, scrapbooking, packaging, and more.