Made of hard plastic resin material, durable and has a long service life, bright in color. Can be mounted to any 3/8-inch diameter rod. Percussion block Sound high pitched, natural and crisp for multiple styles of music. Mounting bracket with eye bolt assembly allows you safely attach and secure it to drum hardware. block suitable for cow bell holder or other percussion support. Material: Plastic colour: purple Package Contents: 2 x Jam Block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.