GEAR: 4-7 Position Sofa Bed Headrest Adjustable Angle Mechanism Hinge, , with Two Angle BracketMATERIAL: metal, anti-rust and corrosion-resistant, sturdy and sturdy to use, tough to bend and break.APPLICATION: Suitable for adjusting Sofa backrest Bed Headrest Backrest otherwise you can DIY on your personal furniture.FEATURE: Lifting Rod Desk Desktop Adjusting Hinge Angle Hinge.NOTE: Mounting screws are not included.Product Name: Adjustable Angle HingeMain Color: Bronze ToneOnly the above package content, other products will not be included.Note: Light shooting and assorted reveals could cause the colour of the thing within the picture just a little various from the real thing. The measurement allowed error is +/- 1-3cm.Package Content: 1 Pair x Adjustable Angle Hinge