1、Made of quality aluminium alloy material, high strength, sturdy and durable. 2、With screw and wrench, easy to install and use. 3、Included hot shoe expansion board and 1/4 inches screw expansion board, can expand monitor supplementary light lamp microphone and other equipment. 4、Designed to provide multiple mounting holes for accessories attachment. 5、Wonderful accessory for ZHIYUN M 1 x Hot shoeexpansion board1 x 1/4 in screw expansion board1 x 3/8 screw1 x Big wrench1 x Small wrench Item type: expansion board  Condition: 100% brand newMaterial: aluminium alloyWeight: Approx. 36gColor: black Applicable: for zhiyun M2 Features: expand lighting/microphone etc Interface: 1/4 in, 3/8 in, cold shoe mount