This 5-blade refill is designed for X-Acto cutters or precision scalpels, offering an efficient solution for those who need fine, detailed cuts. The blades are ideal for a wide variety of materials, such as paper, thin cardboard, foam board and in model making. In addition, they can be used to sharpen pastel or charcoal pencils, providing a clean and precise finish to every task. With exceptional durability and sharp edges, these replacement blades are an indispensable tool for artists, designers, architects and anyone who requires precision cutting.