Description: M6 M5 Ball Head Mount for Underwater Handheld Stabilizer Hand Grip. Suitable for standard M5 & M6 screw hole. To connect underwater fill light, video light arm system. Made from aluminum alloy material, light weight and durable, better corrosion resistance. Accessory for diving, scuba and and other water sports. Specification: Material: Aluminum Alloy Size: 4.5x2.5x2.5 cm/1.8x1.0x1.0 inch Package Includes: 1x M6 Ball Head