Suitable for X-ACTO "A" type holders. The X-ACTO #12 Mini Curved Carving Blade is a delicate cutting tool designed for intricate paper trimming, stenciling and other detail work requiring a careful eye and a fine blade. This blade is the ideal tool for a craft artist or hobbyist looking to make minute, detail carvings with ultimate precision. The #12 Mini Curved Carving Blade by X-ACTO is designed for delicate materials, including: tissue paper, film, photo edges, plastic, rubber, foam, and more.