SKU: 23536 - This iBOLT ¼ 20 camera screw to 25mm adapter is made out of heavy duty composite material and is compatible with all industry standard 1 inch / 25 mm mounting arms. Ball joints are coated in a rubber material. *This product is only the iBOLT 25mm to ¼ 20 camera screw adapter. Other images shown are to show the use of the product.