Neewer&reg; 2 Pack Metal U Clamp Clip with Hook for Photography Studio Boom Arm Light Stand Camera Flash(CL-35H) Light Weight, Versatile and Compact. High Quality Construction, With an Emphasis on Strength With a hook for handing light weight balance sandbag. Heavy duty, helps make better use of your light stand. Compatible with most light stand or tripod. Note: the light stand and sandbag are NOT included.