This Eagle replacement blade is designed for all kinds of Eagle cartoon pencil sharpeners, such as owl sharpeners, ladybug sharpeners, penguin sharpeners and monster sharpeners. Each Eagle cartoon sharpener shipped with a spare blade, while this replacement blade is for someone who needs more blades. This blade makes replacement easy, simple, fast, and more important, saves you money. When the blades get dull, you do not have to purchase a new sharpener, but just to replace the blades.