DescriptionMade of the hard coat anodized aluminium alloy, light, durable, can rotate 360 degrees. Standard clamp attaches two one inch diameter balls. thick plate provide the perfect combination of strength and range of motion. plate spring for easy assembling and avoid damage your system arm.Feature- Color: Black - Material: Aluminium Alloy. - Size: 8x6.5x6cm - Made of hard coat anodizing aluminium, durable to use. - Maximum range triple ball clamp, allows greatest flexibility with arm positioning. - Use a triple ball clamp to connect three ball adapters or arms, attach two accessories to a camera - Strong, lightweight, waterproof aluminum construction. - Thicker plates provide the perfect combination of strength and range of motion. Plates are spring-loaded for easy assembly and breakdown of your arm system. A hard anodized aluminum wing nut allows for easy one-handed operation and will withstand years of use. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc. There could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!