Descirption: 100% brand new and high quality Features: Creative designed dual interface magnetic adapter base compatiblewith Max, Hero 10, Hero 9 Black and Hero 8 Black action camera. Made of aluminum alloy, durable and wear-resistant, high performance. High-end anode sandblasting oxidation and CNC machining, it is strong, stable and safe to use. Standard 1/4 screw hole, makes it possible to mount both the camera and selfie stick or tripod accessories to extend more functions. Comes with a screwdriver and fixing screws for easy replacement and installation. Specification: Material: Aluminum Alloy Colour: Black Horizontal Size: Approx. 4.2x1.53 cm/1.65x0.6 inch Screw: 1/4 Thread Hole, Magnetic Interface at the Bottom Surface Technology: Anodic Sandblasting and Oxidation-treatment Applicable Model: Compatible with Hero 10/9/8/Max Action Cameras Notes: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes: 1 Piece Dual Interface Base 6 Pieces Screws 1 Piece Screwdriver