The Alvin Divider Spacing 12" In Case provides exact spacing for 11 equally spaced points. Use this divider to develop models, to create forms and textile designs and more. Each of the 11 teeth is numbered, and the tool will equally divide the distance between each. The teeth are marked with numbers from zero to 10 for easy use. Expand and contract the divider easily with the riveted pivot points that will give you precise settings that will stay in place. This divider will last for years with its solid stainless steel construction. The satin finish of the steel makes this tool look great as well as resist corrosion and wear. The divider comes with a handy case that helps you to transport it easily and keep it from dust and dirt.