Alesis Nitro PRO Compact Black Drum RackPlease ensure the size before ordering. Open box unused condition does not include mount clamps or cymbal arms. Only module mount clamp plus tubes and connecting clamps included as seen in pics. All horizontal tubes are 20 long includes extension arm with mount clamp all tubes approx 1. 5 diameter (1. 46 actual) and fit alesis clamps. Regular nitro tubes are smaller so please measure your clamps before ordering. Ships by next business day