There are screw holes on all sides of the product, including 1/4" and 3/8" threaded inserts, which allow for expansion of compatible accessories and help prevent fitting reversal. Installation is stable and secure, with M3 screw holes on each side spaced at 15mm intervals to fix corresponding components and prevent loosening. These also support installation and expansion of additional accessories. Available as a single or dual-layer screw adapter, offering versatile expansion capabilities and reliable performance. Each surface features multiple mounting points for attaching ARRI-compatible accessories. Special Type C: Features dampened rotation; both upper and lower layers have controlled rotational movement, allowing 360-degree rotation and adjustable positioning to achieve the desired installation angle. Special Type D: Cube design with tripod adapter compatible with GoPro action cameras, enabling secure attachment and integration with GoPro and similar camera accessories.