This pro level cymbal arm from DXP features a solid hide away style boom arm, making it easy to pack and transport with minimal hardware space in your case. With a knurled 44cm long boom arm and memory lock, this boom will hold securely in place and provide reliability and strength. Tube diameter of 22mm, and length of 43cm, the DXP cymbal boom arm will fit into most standard hardware clamps and rack holders. With a 360 degree cymbal tilter and cymbal isolation sleeve to protect your valuable cymbals from thread wear, the DXP cymbal boom arm is a versitile and secure option for all drummers.