High quality materials and safety performance: Made of high-quality SUS304 stainless steel material, sturdy and durable, not easily damaged. The hole spacing is 3 inches, which meets the building code requirements and ensures safe use. Convenient installation design: Pre drilled holes, no need for additional drilling, saving installation time and effort. During installation, the angle and position can be flexibly adjusted, and a complete set of necessary accessories are provided to reduce installation difficulty. Diverse adaptability and stylistic features: Includes horizontal and curved brackets, compatible with square and circular pipe handrails. Support DIY customization of armrest angles to meet personalized needs. Non welded structure with black coating, stylish and suitable for various scenarios. Widely applicable scenarios: Suitable for indoor and outdoor protective scenarios, including terraces, stairs, porches, fences, courtyards, balconies, gardens, etc. Can be used in residential buildings, commercial offices, hotels, garages, and other places.