Feature: 1. Aluminum Alloy Material: The router plate of the woodworking table is made of aluminum alloy, which is durable, not easy to rust, and can be used for many years. 2. Center Hole Bushing: The plate comes with a convenient center hole bushing for aligning the machine so that it is in the center of the drill hole. 3. Application: This router table plate is suitable for milling machine trimming and highly precise woodworks, convenient carpenter tools. 4. Grooving Tool: This drilling plate can be used for woodworking drilling, grooving, accurate and convenient, and the angle and size can be corrected. 5. Simple Operation: This tool is easy to operate, labor saving and convenient to install, making the woodworking work perfect. Specification: Item Type: Woodworking Router Plate Material: Aluminum Alloy Gross Weight: 1385g / 48.9oz Product Size: Approx.30 x 23.5cm / 11.8 x 9.3in Hole Spacing Size: Approx.27 x 21 x 8.5cm / 10.6 x 8.3 x 3.3in Inner Aperture: Approx.7.5cm / 3.0in. Package List: 1 x Plate2 x Insert Ring16 x Screw4 x Small Nut2 x Large Nut2 x Washer1 x Long Screw Nail1 x Right Angle Wrench1 x Punch Head1 x Fixing Nut