This key Chain Bone Folder is a mini version (2 inches long) of our popular Non-Stick bone folders. It is used by book binders, graphic artists and crafts people for creasing, burnishing and gluing materials together. It is also highly useful in medical, biomedical, pharmaceutical, chemical, book binding, paper crafting and manufacturing fields. Size: 2" x 1/2" x 1/4". Non-stick, will not leave a burnishing mark. Heat Resistant up to 600 º F. Chemically Inert, non-corrosive, and non-contaminating. Strong and reusable!