1、Compatible Lenses: Fit for 67mm, 72mm, 77mm, 82mm lenses, direct clamping， light, firm and fast, insert filter system, default configuration 0mm thickness filter holder, spare 8mm thickness filter holder, small matte box for a variety of lenses and filter systems. 2、Good Workmanship: The slight series is light and easy to carry, with good workmanship, strong materials, which will allow users to focus and create. 3、Lightweight Design: While ensuring function and durability, adopts lightweight design and manufacturing technology, giving you more flexibility. 4、Matte Coating: The high efficiency matte coating on the inside of the shading matte box can effectively reduce various stray light, reflection, and improve the image quality, there is a filter safety lock on the side. 5、Screw Interface: There are 2 cold shoe interfaces, 2 1/4 screw holes, and 1 3/8 screw interface on the top of the matte box, which has more strong expansion compatibility. 1 x Matte Box1 x 67mm Adapter Ring1 x 72mm Adapter Ring1 x 77mm Adapter Ring1 x 82mm Adapter Ring2 x 1.8mm Fixture1 x Hex Wrench Item Type: Matte BoxMaterial: Carbon Fiber and Aluminum AlloyGross Weight: 470g / 16.6ozMatte Box Size: Approx.150 x 110 x 40mm / 5.9 x 4.3 x 1.6inAdapter Ring Interface Size: Approx.67mm / 2.6in, Approx.72mm / 2.8in, Approx.77mm / 3.0in, Approx.82mm / 3.2in