Neewer Flash Bracket Swivel Bracket Umbrella Holder Studio Tilting Bracket A 3/8" thread after disassembling the bottom hotshoe foot, for attachment to such standard tripod, light stand Metal hotshoe designed with 1/4" screw hole at the bottom for attachment to popular umbrella adapters, tripods, or other equipments with standard female hothoe Metal ball head designed with independent lock knob, easy to operate Umbrella hole accepts 7mm umbrella shafts Metal holder body with large load capacity