MC-M Metal multi clamp, heavy duty rack tube to accessory arms (5/8" up to 1 1/4" diameter). Mounts Cymbal arms and L-Rods to your standard 1 1/2" diameter round rack tubing. Also needed for mounting module mounts. Featured on our Road Pro and Session Drum Kits. If purchasing additional Cymbals or Drum pads you may need to add one of these to your order for each cymbal or pad ordered.