Product Name: Butt Hinge Dimension: Each Opened: 55 x 35mm Mounting hole diameter: 4.m/ 0.169 inch weight: 264g Color: Silver Material: Stainless Steel Package content: 20 x butt hinge Only 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.