zvd 2pcs 10kg 80 degree folding sofa bed spring hinge cabinet door lifter top support flap

2pcs folding sofa bed spring hinge 10kg 80 degree cabinet door lifter top support flap features brand new and high quality this spring hinge can also be widely used for folding sofa, bed, lifting cabinet door, etc. free hinge up to 80 degrees, special for 80 degree revolving door, removable door pan