: Butt HingeDimension: Each Opened: 55 x 35mmMounting hole diameter: 4.3mm/ 0.169 inchweight: 264gColor: SilverMaterial: Stainless SteelPackage content: 20 x butt hingeOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.Quiet, reliable performance: Pre-lubricated to provide smooth, quiet operation over time, reduce wear and eliminate squeaks for easy everyday use