supon grip swivel head clamp holder bracket adapter for light stand, extension boom arm ,reflector arm support and other photographic equipment supon specification: <br /> 8" wide w/ handles <br /> can rotate handles without loosening clamp. pull handle out, away from clamp, and turn <br /> fits on most standard light stands <br /> ideal for holding boom arms in place <br /> levels on the sides make the positioning of you equipment easily adjustable <br /> package include: <br /> 1 x single grip swivel head