Frame Bars for JZ BZ Cell Cups are designed specifically for the Base Mount Cell Cup prong. Plastic = Can be mounted in a standard frame using a wood screw (the bar can then pivot for grafting) or use our Queen Rearing Frame. Wood = Designed with a groove cut to hold your Base Mount Cell Cups. Can be easily mounted in a Queen Rearing Frame or mounted in a standard frame using a wood screw (the bar can then pivot for grafting).
