High-quality material: hinge Made of rust-resistant 304 stainless steel with a seamless, one-piece casting, this is a good choice for anyone looking to build or repair a gate, ensuring your gate or fence opens and closes smoothly. Features: The overall length is 8 inches with a 0.5-inch hinge; the threaded rod length is 6 inches; it comes with nuts and washers for installation. Available in 6, 8, and 10 inches. Wide Application: This 0.5-inch J-bolt male hinge is compatible with a wide range of gate sizes and materials. It can be used with various types of posts, including wood, metal, and concrete, to adjust the width between two gates. Installation: Drill a 0.5-inch hole in the post or gate frame, pass the J-bolt hinge through, and secure it with nuts and washers on each side. The J-bolts can be mounted up or down on a base as needed, or it works with a 1.6 cm gate frame hinge (not included).