Features: 1. Made of quality material, sturdy, lightweight, anti-rust, high strength and durable. 2. The dual ball heads mount is flexible and heavy duty, it can be adjusted to any exact position that you need, the knob can tighten the lock to fix ball head without shaking. 3. The clamp is strong and adjustable, with a handle to swivel and adjust the opening of clamp, the rubber pad on the clamp ensure anti-slip and stable fixing, also protect the object that is clipped. 4. With a 1/4'' screw, suitable for most cameras, camcorders, monitors, and various accessories like flashlight, etc. 5. Ideal accessory for photography lovers, useful and easy to use. Specification: Material: Aluminium alloy Color: Black Screw: 1/4'' Suitable for: tube with diameter < 47 mm / 1.85 inch Weight: approx. 215 g Package List: 1 * Ball Head Adapter Mount Phone is not included. Package List 1Made of quality material, sturdy, lightweight, anti-rust, high strength and durable 2The dual ball heads mount is flexible and heavy duty, it can be adjusted to any exact position that you need, the knob can tighten the lock to fix ball head without shaking 3The dual ball heads mount is flexible and heavy duty, it can be adjusted to any exact position that you need, the knob can tighten the lock to fix ball head without shaking 4With a 1/4'' screw, suitable for most cameras, camcorders, monitors, and various accessories like flashlight, etc 5Ideal accessory for photography lovers, useful and easy to use