Yibuy 2 Pieces Plastic Percussion Drum Jam Block Musical Instrument Kit Applicable to All Kinds of Scrubbing Racks and Through Drum Supports

["It is made of highly environment-friendly plastic and ABS hard plastic of professional drum, which is durable and can provide you with long-term service.","Scope of use: It is applicable to all kinds of scrubbing frames and through drum supports.","Easy installation: one person can easily install it with a suitable mounting rod. (Mounting rod not included)","Sound characteristics: The sound is crisp and clear after installation, which is very suitable for multiple styles of music.","The structure is hard and firm, which is very suitable for beginners."]