1. Suitable for all types of photographic equipment 2. Iron material with nickel-plated rustproof treatment 3. Smooth, flat surface with metallic luster, sturdy and aesthetically pleasing 4. Even force distribution, precise threading, and slip-resistant operation 5. Material: Iron 6. Process: CNC machining 7. Size: E7 about 3.55cm, E8 about 3.7cm
