Endpin stopper for cello and contrabass. Using this endpin will give you a higher-quality sound. Features a cross pattern on the top. If you are considering replacing your instrument, it's worth trying. This is being sold because I have disposed of my instrument. Please see the catalog for details. - Material: Brass - Shape: Round - Design Feature: Cross pattern on top - Functionality: Potential audio accessory or weight Thank you for looking.