1. Selected environmentally friendly materials, higher screw precision 2. Compact structure, quick disassembly 3. Reasonable structure, anti-corrosion and wear-resistant 4. Ring design, uniform force, not easy to slip 5. The thread has a tightening function, the spiral thread is neat and clear, the force is uniform, and the installation is not easy to slip 6. With silicone gasket to protect the product 7. Applicable: camera, drone with screen remote control lanyard, etc. 8. Material: carbon steel/stainless steel
