Specification: Material: Plastic + Aluminum alloy Color: Sliver Size: 300 x 235 x 9.5mm / 11.81 x 9.25 x 0.37 inch (appr.) Package List: 1 x Plate 1 Pack Install Screws 2 x Plastic Router Insertion Ring Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.  Features Plastic + Aluminum Alloy Material: Made of aluminum alloy plate, a plastic router bit ring with good wear resistance and durability as well as long service life. DIY Tool:Drill and install each router accurately. Easy alignment and centering of this plate on almost any router, hassle-free setup. ADJUST BALANCE Threaded Allen key inserts in each corner help you level the router bit with your table and easily adjust. EASY TO USE Reversing your router in a router table allows for safer and more versatile operation. Convenient center hole bushing for aligning the router to the center of the drill hole. Stable Features Strictly adhere to the product production standards, professional manufacturing, good workmanship, reliable quality, stable performance, safe and reliable, which deserve your trust.