Introducing our remarkable product, the Multi-functional Mechanism Biaode SHB2003B! This incredible mechanism offers a unique multi-angle customization feature for sofa headrests. Its versatile design allows for effortless adjustment, ensuring optimal comfort and support. Crafted with precision, our factory-produced multi-functional hinge guarantees exceptional reliability and functionality. Elevate your sofa experience with the SHB2003B mechanism – the ultimate solution for customizable headrests.