[feature] High Quality Material - Made of bakelite material, durable and reliable. CNC processing, clear texture, comfortable texture. It is suitable for manual edge trimming wood milling machine, easy to install, fast and labor-saving arc milling, and long durable life. Precision Cutting - Circular Cutting Router Guides include alignment discs and pivot pins for precise centering and router mounting hardware to ensure a perfectly circular cutting path. INNOVATIVE DESIGN - Equipped with an edge trimmer, it can easily make round and round holes on the sheet. The edge of the finished product is neat and beautiful, and it can be adjusted in various sizes. It is a good helper for woodworking. [product information] Product Name: Milling circle tool Colour: Black Material: bakelite Size: as shown Packing list (available after purchasing one item): Milling circle tool set*1 beg to be excused: 1. Due to the long shipping time, the item may be damaged during the transportation, if the item is damaged, please leave us a message through the official website immediately before leaving a comment, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Color may vary by monitor.