General description The 2pcs 80 Degree Folding Lift Support Black Spring Hinge is designed for versatile use in furniture applications such as folding beds, sofas, and lift-up cabinet doors. Made from strong and durable cold-rolled steel, these hinges are resistant to rust and corrosion, ensuring long-lasting performance. Technical specifications Material: Cold-rolled steel Opening angle: 80° Package includes: 1 left spring hinge and 1 right spring hinge Screws: Not included Usage Ideal for supporting upper lifting equipment Suitable for folding beds and sofas Can be used for lift-up cabinet doors