Marking Dot is a decorating disk and trimming wheel in one. The decorating disk has a measurement around the circumference for a quick and easy reference guide to create your marking divisions for decorating designs. It includes the most popular even and odd diagram divisions for your convenience. It is also an excellent tool to support all wheel trimming needs. It is made with precision-machined aluminum wheels and stainless-steel ball bearings for smooth rotation, along with an accurate measurement imprinted on the clear plastic disk. Available in small, medium, and large disk sizes.