Thank you very much for viewing. This is an aftermarket product imported from overseas. Color: Gold / Dark Gray Diameter: 53.5mm Thickness: 2mm (outer circumference) Material: Steel Logoz is engraved on the back. Mounting screws are included. How about using it for repairing or replacing your guitar? * We have kept the price down by purchasing in bulk. We would be very happy if you could enjoy it in your hands.