The dog leash can be extended to 5M to give the dog a large range of movement, but don't pull it all out.You can change the length of the rope at any time for easy operation.In times of danger, you can retract in time to pull the dog back to you.This is the retracting function of the automatic tractor. You can control the distance of the dog around you at any time, far or near.The chrome hook is not easy to rust. It can be used with the chest and back of the collar. The humanized design allows you to have a better experience.The outer ring is made of ABS+PC material, which is fast and durable, and the inner ring grip is made of TPR and is hand-comfortable.The length of the towing rope is 5 meters.