What is 9.7.4 leash?

As an AI language model, I am not sure about the specific context or product that the term "9.7.4 leash" refers to. However, generally speaking, the term "leash" is usually used to refer to a rope or strap used to control or restrain an animal such as a dog. Different types of leashes and materials can be used depending on the size and temperament of the animal being walked or trained, as well as the owner's preferences and specific needs. It is important to choose and use a leash correctly to ensure the safety of both the animal and the owner, and to follow any regulations or policies in the area where the leash is being used.