The Circle Cutter Router Attachment (Complete with Fittings) is a versatile tool designed for routing perfect circular cuts in wood, plastic, or other materials. It attaches easily to most routers, allowing you to create precise circles of varying sizes. The kit includes all necessary fittings to secure the attachment to your router and adjust the cutting radius, making it ideal for tasks like cutting circular holes, edging, or decorative work. This attachment is commonly used in woodworking, furniture making, or DIY projects, ensuring smooth, clean cuts with minimal effort.