General description The CCYKXA 2pcs 80 Degree Folding Lift Support Black Spring Hinges are designed for versatile use in furniture applications such as folding beds, sofas, and cabinet doors. Made from sturdy stainless steel, these hinges are rust-proof and non-corrosive, ensuring long-lasting durability. The invisible design adds a touch of simplicity and practicality to your furniture. Technical specifications Material: Stainless steel Opening angle: 80° Package includes: 1 left spring hinge and 1 right spring hinge Screws not included Compatibility and accessories Suitable for folding beds Compatible with folding sofas Ideal for cabinet doors with lifting mechanisms