PRODUCT MATERIAL: The flip plate is made of high-quality aluminum alloy, which is durable and rust-resistant. Product Use: It can be used for woodworking, furniture processing, manual carving, etc. It will be a great helper for you. Our products have clear scales to measure exactly what you need for perfect woodworking. We are committed to providing 100% after-sales service to all our customers, so please buy with confidence. Package Contents: 1 x Flip Plate, 4 x Plastic Router Insert Rings, Mounting Screws and Nuts.