Black 80-degree folding lifting supports, black spring hinges widely used in sofa lifting systems and supports

1. The sturdy and durable hinge is made of stainless steel, a rust-resistant and corrosion-resistant material. Its concealed design is simple and practical.

2. The spring offers high strength and durability, and its opening angle is 80°. Ideal for supporting lift-up equipment, it is suitable for folding beds, sofa beds, lift-up closet doors, etc. 3. Each package contains one left-hand spring hinge and one right-hand spring hinge. Screws not included. 4. Spring hinge for folding bed, sofa bed, or closet (80°).