Features: All-metal construction, monocoque design, precise machining, surfaces anodised for oxidation resistance. Quick switches from landscape to portrait orientation without requiring adjustment settings. Features integrated safety screws to prevent accidental camera drop. Utilises AS standard port, compatibles ball heads from MARKINS and others. Engineered with universallly construction for durability, this photography accessory ensures vibrating proof performances across diversed environments while supporting industry standard and quick release. Specifications: Component: Aluminum alloy Color: Matte Black Size about 112x52x12mm/4.41x2.04x0.47in Installation screws: 1/4inch Package Includes: 1PC Quick load board 1PC Open-end wrench note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.