High Quality Material: The door hinge is made of high quality metal materials, and the surface is electroplated, 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, provide better support and achieve a smooth and quiet operation. Quantity and Size: Package includes 4 pieces 8 inch T-hinges with 28 Screws. Overall dimensions: 230 x 73 mm/9 x 3'. Width: 73mm/3', Length: 200mm/8', Thickness: 1.5mm/0.06', Height: 30mm/1.18'. Sturdy: T-hinges is a mechanical bearing that connects two solid objects - your door and the door jamb - while providing smooth, frictionless operation of your door or gate. Wide Application: These T-shaped door hinges can be used on domestic garden doors, barn doors and even shed doors. These metal gate hinges can also be used on a range of different materials. Sturdy, corrosion resistant, oxidation resistant, flexible and quiet. Fit for gate/door open and narrow use perfectly. Comes with 28 screws and 4 pieces 8 inch barn door hinges, which makes it easy to install and remove. When using, just align the screw with the hinge hole, tighten it and fix it on the door. Specification:Product Name: T-Hinge Surface: Galvanized Materials: Iron Color: Black Total Size: L230 x W73 x H30mm/9 x 3 x 1.18' Hole Diameter: 5mm/0.2' Thickness: 1.5mm/0.06' Weight: 110g/Pieces Package Included: 4* Heavy Duty T-Hinges 28* Screws