The hinge, non-rusting and durable, is made of high-quality black plastic. It has pre-punched and recessed drill holes Screws are not included in the delivery Product Description: Hinge Material: Plastic, Metal Color: Black Dimensions: LP 40 x 40 x 14 mm / 1.6 x 1.6 x 0.55 inches Hole Diameter: 4 mm / 0.16 inches Hole Spacing (Center to Center): L x W 25 x 25 mm / 0.98 x 0.98 inches Weight: 19 g / one set Package Contents: 20 x Plastic 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 +/- 1-3 cm.