We've do our best to provide satisfactory service. Features: It is made of Aluminum and ABS material， powerful and stable.Matte Box for 15mm / 0.6in rail rod support system.It is suitable for lens from 43mm to 77mm / 1.7 - 3.0in.Easy assembling and disassembling.Easily to be upgraded.International standard， it fits the 15mm / 0.6in stabilizer system (rail center to center distance: 60mm / 2.4in)Specifications:Material: Aluminum alloy + PC + ABSFit lens: 43mm - 77mm / 1.7 - 3.0inFit rail distance: 60mm / 2.4inFit rail diameter: 15mm / 0.6inCompatibility: All (D)SLR cameras and camcordersMatte box weight: 216g / 7.6ozPackage size: 26.7 * 20.5 * 7cm / 10.5 * 8.1 * 2.8inPackage weight: 328g / 11.6ozPackage list: 1 * Set of Matte Box Welcome to our shop and enjoy your shopping moment!Looking forward to come again!