High Quality Gold Plated Hawaiian Heirloom Tube Initial Pendants. Tube Pendant is Large measures 15mm wide. The gold plated necklace measures 21 inches with a 3 inch extender attached for your adjustment. You can easily adjust the necklace to your fitting up to 24 inches in length. The Gold chains are solid and sturdy and very durable. Includes a 3mm thick rope chain necklace.