Detailed; Safety is first during training with resistance bands, and our adjustable wall anchors ensure a safe and reliable training experience, and with their sturdy construction you can train with confidence without worrying about slipping or falling into an accident Includes components; 2 and 2 track cart, can be installed separately or connected to each other according to your training habits, equipped with fixing screws, if you have any questions or suggestions, please feel free to contact us, your satisfaction is our top priority