Features:Adoptsof aviation grade aluminum alloy material, and the surface is treated by rigid oxidation of the military code grade, so it is anticorrosive and wear-resistantTheclamping part is equipped with laser engraving precision scale, which is very convenient for reference. The built-in high contrast bubble level ensures the accuracy of vertical or horizontal photographySuitable for a variety of traditional SLR cameras and digital SLR cameras for macro photography.Whenpanoramic photography is carried out with long board clamps, the axis of the lens can be precisely used as the node to realize seamless Mosaicof panoramic photography to the greatest extent. At the same time, it can also be used for macro photography to move back and forth in a wide range to reduce the frequency of adjusting the tripod and greatly improve the shootingAdoptthe international most commonly used quick-install system specifications, perfectly compatible for RRS, for Arca- Swiss, for Kirk,for Markins, for Photo Clam, for Benro,for Sirui, for SUNMAYFOTO and other brands of quick-install board and other supporting partsOnthe premise of ensuring strength and stability, appropriate hollowing is carried out to reduce the burden of users' daily carryingSpecification:Model: DR-140Material:Aluminum AlloyMounting thread :UNC1 or 4Size:170x40mm or 6.7x1.6inWeight: Approx.144g or 5.1ozPackage list:1 x Quick Release Plate