Made of purified stainless steel, brushed finish surface, smooth and sleek. for any type of door; interior or exterior, solid or hollow, light, medium or heavy weight, wood, fiberglass and metal doors. Suitable for residential and commercial use. Feature - Brand: OUNONA. - ColorSilver - Material: stainless steel. - Size: 12.50X7.80X0.30cm/4.91X3.07X0.12in. - High-density stainless steel material which has good load-bearing capacity, heavy duty and durable, not easy to rust. - It is reversible, which means you can use this hinge whether your door is a left hand door or right hand door - Self-closing door hinge with adjustable tension, with simple but , helps you can close the door in a quiet way - This automatic self-closing door hinge has a modern finish and stainless steel color, in line with your contemporaneous home decorations - Includes matching screws, you can install it in several minutes, no need to spend much effort Package list: 4 x OUNONA Self-closing Door Hinge