There are screw holes on all sides of the product, including 1/4" ARRI locating screw holes and 3/8" ARRI locating screw holes, which allow for expansion of compatible accessories and help prevent fitting reversal. Installation is stable and helps prevent screw fitting reversal. Each side features M3 screw holes with machine screws to secure corresponding components and prevent loosening. The M3 screw hole spacing is 15mm, enabling secure mounting and expansion of compatible accessories. Available as a single or double-layer transfer screw adapter, the product offers versatile expansion capabilities and reliable performance. Each surface includes mounting screw points for attaching ARRI-compatible screw accessories. Special Type C features damping rotation. The upper and lower layers are damped, allowing 360-degree rotation and adjustable positioning to achieve the desired installation angle. Special Type D is a magic cube with tripod adapter compatible with GoPro action cameras. It can be securely installed and used with accessories designed for GoPro and similar action cameras.