Description: The main body adopts aviation aluminum, CNC precision machining, surface oxidation treatment; Weight-bearing joints and screw adopts 304 stainless steel. A screw hole connected fast loading plate is about 23mm, a total of three with damping joints, can be folded, retractable screw chute about 30mm camera. Can be used with quick release plate installed between long-focus lens and camera body, sharing the weight of the camera mount, to protect long- focus lens and camera mount from damage, but also increase stability. The long plate holder adopts AS standard interface, compatible with RSS/ARCA-SWISS/KIRK/Wimberley/MARKINS/SUNWAYFOTO/kangrinpoche/BENRO/SIRUI AS interface platform. Total length: about 12.5cm Specification: Material: alloy Size: 125mm Package Includes: 1 x Support Holder 1 x Wrench 2 x Screws