Tama CA45EN Cymbal Holder Attachment For Boom Stands LongTama CA45EN Cymbal Holder Attachment for Boom Stands Long With a pipe diameter of 19. 1mm, these cymbal holders can be connected to stands using either MC61 or MC62 clamps, or to a Power Tower rack using J24 clamp. Longer boom arm puts you closer to your cymbals for easier reach and placement. Quick set tilter uses a large multi disk mechanism that offers more strength, requires less effort, and allows more flexibility than standard toothless tilter