Cold laminated steel plate material, double veneer treated, better anti-rust property. Very high quality mechanism that slowly pulls the closed door for smooth motion smoothly. < / P> Suitable for cabinet doors. Easy adjustment for doors alignment. Features: Advantage: Easy installation, anyone capable of completing the installation with a screwdriver, simple and no exercise required. Made of solid cold rolled steel, durable construction, zinc. Type: Non-concealed 90 degree spring hinge Quality: Invisible spring hinge, integrated damping shock absorber, gently push the cabinet door, then stop slowly and automatically Material: High quality cold rolled steel, surface nickelting, resistance to rust and corrosion. Suitable for a door thickness of 8 to 20 mm The description: Main material: cold laminated steel Color: Silver Weight: 95g Style: Household Note: 1.1 inch = 2,45cm / 1cm≈0,393inch 2.Please allow an error of 1 to 3 cm due to a manual measurement. Make sure it does not bother