1. Made of hard coat anodizing aluminium, durable to use. 2. Two ball clamp, allows great flexibility with arm positioning. 3. Use a two ball clamp to connect two ball adapters or arms, attach two accessories to a camera 4. Strong, lightweight, waterproof aluminum construction. 5. Thicker plates provide the good 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.
