Specification Packing: 5PCS Material: plastic, metal Size: 40x25mm/1.57x1inch Colour: Black Sturdy, highly durable and environmentally safe, with a long service life. Generally used to play Ukulele, it is a standing tool for playing Ukulele. It helps to train your rhythm and is used to develop and improve your musical intelligence. When playing Ukulele or guitar, it combines with other guitars or other instruments through its beautiful sound to make the music very interesting. Purpose: Ukulele ukulele accompaniment companion, suitable for guitar or other instruments to enrich the playing level.