Features: The fixed base of the sports camera is designing specifically for expanding small photography assistive devices near the sports camera. Strong universality, suitable for metric 5 screw fixation, single hole diameter of 5mm. Aluminum alloy, anodized hard oxidation, wear-resistant and corrosion-resistant. Lightweight design, compact and exquisited, without adding any burden. Thread is build into the thick side, and the screw must be inserted from the other side to tighten. Wide compatibility, suitable for 360R, for 8/7/6/5 and more sports cameras. Specifications: Material: Aluminum Alloy Color: black Size: approx. 36x16x18mm/1.42x0.63x0.70inch Package Includes: 1Pc Sports Camera Fixed Base note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.