Large Teflon Folder - The bone folder 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, and manufacturing fields. It is excellent for removing molded parts from molds without damaging their nonstick coating. Key Benefits: Non-stick due to PTFE composition. Heat Resistant up to 600 ' F . Chemically Inert, non-corrosive, and non-contaminating. Strong, durable, will last for years. This folder measures 6-1/4 x 3/4 x 3/8 inches makes for a better hand grip.