1Ideal for creating 90 angle seals 2Easy to connect by attaching an arch vertically and the board horizontally. 3Use on CNC routers and other automatic routers as well as portable and table-mounted routers 4Creates an instant lockable mitre ring 5Cuts all materials, plywood, leaves and resins NOTE: 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products