GEAR: 4-7 Position Sofa Bed Headrest Adjustable Angle Mechanism Hinge, , with Two Angle Bracket MATERIAL: metal, anti-rust and corrosion-resistant, durable and durable to use, hard to bend and break. APPLICATION: Suitable for adjusting Sofa backrest Bed Headrest Backrest or you can DIY on your own furniture. FEATURE: Lifting Rod Desk Desktop Adjusting Hinge Angle Hinge. NOTE: Mounting screws are not included. Color: Bronze Tone Only the above package content, different merchandise aren't included. Note: Light taking pictures and diverse reveals could cause the colour of the item within the picture just a little diversified from the genuine thing. The measurement allowed error is +/- 1-3cm. Package Content: 1 Pair x Adjustable Angle Hinge