Specification: Material:Aluminum Color:Red Net Weight:16g Quantity:1 pcs Features: Made of high quality aluminum alloy for extended durability and tight. Suitable for GoPro Hero Sony Xiaomi Sjcam Action Cameras and other standard 1/4 accessories. There is a rubber pad design on the top to prevent unnecessary rotation and ensure close contact with the device. Novel appearance and exquisite workmanship. If you have any questions, please feel free to contact us. Package Include: 1pcs aluminum metal mount adapter Note: (IMPORTANT) No Instructions Included. Professional Installation Is Highly Recommended Please check the size measurement chart carefully before making payment. Please allow 0.5-1 inch difference due to manual measurement. (1 inch=2.54cm) The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding.