With a pipe diameter of 19.1mm, these cymbal holders can be connected to stands using either the MC61 or MC62 multi-clamps, or to a Power Tower rack using the J24 clamp.The toothless "Quick-Set" tilter securely holds position with the friction of six metal disc plates instead of traditional gears so you can adjust it to any angle you desire. This mechanism also has a more durable structure than the conventional gear tilter.