High quality material: The door hinge is made of high quality metal materials and the surface is galvanized, which is not easy to rust and has a long service life. Sturdy, corrosion-resistant, oxidation-resistant, flexible and quiet. Seven-hole design: The seven-hole design of the T-hinge can evenly distribute the load and provide better support and ensure smooth and quiet operation. Quantity and size: The package includes 4 pieces 8 inch T-hinges with 28 screws. Overall dimensions: 230 x 73mm/9 x 3''. Width: 73mm, Length: 200mm, Thickness: 1.5mm, Height: 30mm. Sturdy: T-hinges are mechanical bearings that connect two fixed objects - your door and the door jamb - while ensuring smooth, friction-free operation of your door or gate. Wide Application: These T-shaped door hinges can be used on private garden doors, barn doors and even shed doors. These metal gate hinges can also be used on various materials.