Feature: 1. It is made of Aluminum and ABS material, powerful and stable. 2. Matte Box for 15mm / 0.6in rail rod support system. 3. It is suitable for lens from 43mm to 77mm / 1.7 - 3.0in. 4. Easy assembling and disassembling.Easily to be upgraded. 5. International standard, it fits the 15mm / 0.6in stabilizer system (rail center to center distance: 60mm / 2.4in) Specification: 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 + ABS Fit lens: 43mm - 77mm / 1.7 - 3.0in Fit rail distance: 60mm / 2.4in Fit rail diameter: 15mm / 0.6in Compatibility: All (D)SLR cameras and camcorders Matte box weight: 216g / 7.6oz Package size: 26.7 * 20.5 * 7cm / 10.5 * 8.1 * 2.8in Package weight: 328g / 11.6oz Package list: 1 * Set of Matte Box Package List: 1 * Set of Matte Box