Specification Brand : TAIQIAOLE BulletPoint1 : Stable and durable: made of thickened cold rolled steel material, the product is thick and heavy, the force is uniformly sturdy and wear-resistant, and the weighing is strong. BulletPoint2 : Exquisite craftsmanship: the upper and lower flip support hinges use electroplating baking paint, surface grinding plane fine and flat, the surface layer is not easy to fall off, the edges are rounded and smooth, and the corners are burr-free. BulletPoint3 : Storage space: black hinge size design precision, 80-degree folding and rotating, sofa hinges use a spring buffer, mute and smooth, easy to enhance the family storage space, convenient and practical BulletPoint4 : Convenient installation: easy to use, 80 degree sofa hinges open tilt angle can be stored, folded flat angle can be hi BulletPoint5 : Widely used: sofa, sofa bed, storage box, bed box, cabinet Coffee table, computer desk Color : Black ExternallyAssignedProductIdentifier1 : 738170398831 ExternallyAssignedProductIdentifier2 : 0738170398831 FinishType : electroplated GpsrSafetyAttestation : 1 IncludedComponents : 4 Piece Black Sofa Spring Hinges ItemName : TAIQIAOLE 4pcs 80 Degree Black Spring Hinge Support Upturn Hidden Hinge Folding Hinge for Sofa Cabinet Coffee Table Storage Box Hardware Accessories ItemPackageDimensions_Height : 6 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 16 ItemTypeKeyword : spring-hinges Manufacturer : TAIQIAOLE Material : cold-rolled steel sheet MaximumWeightRecommendation : 30 kilograms ModelName : Black Sofa Support Hinges ModelNumber : 80 degree folding hinge MountingType : Door Mount NumberOfHooks : 12 NumberOfItems : 4 NumberOfShelves : 16 PartNumber : 80 degree folding hinge ProductDescription : Material: Cold rolled steel plate Specification: 80 degrees angle Folding height 45 MM Length 150 MM Process: electroplating baking paint Thickness: support rod 3.0 MM pallet 2.0 MM Function: support locker lifting, folding, connecting