A railing circular groove universal elbow is a type of elbow fitting used in railings and handrails. It is designed to connect two sections of railing at a specific angle while allowing for horizontal rotation. The circular groove in the elbow provides a secure and seamless connection between the railing sections. The term "universal" in this context means that the elbow can be used for various railing systems, regardless of the design or material. It offers versatility and compatibility with different types of railings, making it a popular choice in the construction and architectural industry. The main purpose of a railing circular groove universal elbow is to provide a smooth transition between railing sections, ensuring structural stability and aesthetic appeal. It allows for easy installation and adjustment, making it easier to achieve the desired angle and alignment of the railing. Overall, a railing circular groove universal elbow is an essential component in railing systems, providing a reliable and flexible solution for connecting and joining railing sections.