It is made of aluminum and ABS meterial,powful and stable Matte box for 15mm rail rod support system It is suitable for lens from 43mm to 86mm Easy assembling and disassembling Easily to be upgraded International standard,it fits the 15mm stabilizer system (rail center to distance:60mm) To block the sun or other light source in order to prevent glare and lens flare Simple and elegant design Adjustable height to fit various sizes of cameras Swing away & lock-in design matte box, ideal matte box for quick lens changing Flexible and fully adjustable plastic flags Suitable for industry standard 15mm rail rod system Made for DV cameras and HD cameras or digital SLR camera