The Ekko Leash is the ultimate single leash that's made with heavy-duty rock climbing gear. The rope is a nylon climbing rope that's super light weight and easy to grasp. The light-weight auto-locking carabiner will be the most comfortable for not just you, but your four-legged buddy. The auto-locking aspect of the carabiner will make your walks fast, easy and most of all, safe. The carabiner is made of 7075 aviation aluminum weighing only 24 g. The Ekko Leash can be folded in half and clipped onto the pet's harness or collar as well as the handle-ring which helps with training. It's super light weight, yet heavy duty and can bear force of 500 kg.