The material staircase railing is made of wrought iron and galvanized pipes. Anti rust coating, double-layer protection, longer service life. Suitable for any indoor or outdoor setting. Size armrest length: 35CM~100CM; Width: 20CM; U-shaped square tube width: 3CM; distance from wall: 7cm. Widely applicable, it is very suitable for indoor and outdoor stairs, attic railings, balconies, gardens, commercial office buildings, residences, hotels, basements, and any place that requires safety railings. The modern design staircase handrail adopts a U-shaped anti slip design, which is comfortable to hold, safe and beautiful, and easy to clean. It can not only decorate the room well, but also bring a sense of security to your family and friends. Easy to install handrail with all installation accessories, you only need to mark, drill and tighten screws to easily install stair railing. Suitable for installation on any step, such as concrete, brick walls, or wooden materials.