Features:  <br /> Connect a boom arm to a stand.  <br /> The clamp is adjustable to fit many boom diameters.  <br /> Enable to adjust the height, angle, and other positioning.  <br /> Easy to setup, use and adjust.  <br /> A great addition to multiple uses in your studio.  <br /> Specifications:  <br /> Material: Plastic  <br /> Color: Black  <br /> Diameter (without hand grip): 77 mm  <br /> Height (without hand grip): 82 mm  <br />  <br /> Includes :  <br /> 1x Dual Swiveling Grip Head Clamp