Regular tow chain No special requirements for environmental use. Various models and wide selection range. The brands are highly replaceable Convenient towing chain It can be used by pressing the cable directly into the drag chain with the thumb through the outer diameter and inner diameter openings, and the cable disassembly method is also very convenient. Enhanced tow chain, three-dimensional tow chain Enhanced tow chain: can be applied to heavy load, long distance, high-speed movement, harsh environment and other occasions. Three-dimensional drag chain: multi-dimensional (3D) motion, small bending radius, fully enclosed anti-debris, chain link removable.