1Pcs Yootones Jam Block, Plastic Musical Percussion Block Compatible with Latin Drum Instrument (Red)

["The jam block compatible with all types of rub rack tom bracket.","The jam block is made of professional percussion plastic, sturdy and durable, easy to use.","Color: Red, Blue(Option). Red size: 150 x 103mm;Blue size:126 x 85mm.","Different timbres can be achieved by manipulating the different zone.","Easy to install. A good replacement part for broken or old one."]