Lheng A Pair Black Sofa Bed Bedding Furniture Adjustable 3-Position Angle Mechanism Hinge Hardware

Name: Small dual-purpose hinge,Material: metal,Color: Color Zinc,Material thickness: 2.3mm Functions: for the sofa back and sitting back of the connection, adjustable the height of sofa back Suitable for connecting armrest and seat, backrest and seat, pillow and backrest, armrest and backrest bed frame and bed.Through the gear operation, change the handrail, side, pillow, seat and bed between the angle adjustment Easy Installation, the use of gear opening and closing position card design, multi-angle, multi-range