The Crane AH-1 Accessory Holder installs permanently on the tripod. It will hold any accessory that comes with a common "belt clip", such as battery packs, pouches, radio slaves, etc. Each holder supports one unit, and does not interfere with the operation of the tripod.
Compatible with Bogen 3021/3221 and 3221W (older versions), 3033/3233 and 3036/3236.
Made in the U.S.A. of light-weight aluminum.