The Pearl AX-25 Quick-release Revolving Multi Clamp is the perfect way to easily and quickly add new hardware to your drum set. The clamps work with any stand, arm, or holder from 1/2" to 1-1/8". Each side incorporates revolving clamps letting you precisely position your new hardware to your optimal position. This Quick-release Revolving Multi Clamp, you're getting a durable piece of hardware that will last. Add that next piece to your kit with the Pearl AX-25 Quick-release Multi Clamp.