The perfect assembly to attach an extra cymbal to your drum rack. The Quick Grip Cymbal holder angle is infinite adjustable the Boom Arm tilter incorporates a fine tooth increment angle adjustment. Includes: Quick Grip Cymbal Holder, Cymbal Boom Arm length 16-inch, diameter 1/2-inch, Fine teeth boom tilter with tube length 9-inch, diameter 3/4-inch, Plastic cap to cover tube end, DW Boom Arm Memory Lock