The material of the hinges is iron, coated with black paint, strong and durable, not easy to deform and bend. Wide range of uses Widely used in various indoor and outdoor buildings, such as shed doors, barn doors, skylights, fences, cabinets, animal shelters, etc. Easy to install Easy to install, just mark the location with a pencil, then use a screwdriver or drill to screw in the screws and install the hinge in the predetermined location. Package includes: You will receive 6 black T-shaped hinges. ”Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.