Ideal for homes with multiple dogs.Maximum length (with all extra links added) = 24″ (609 millimeters) minimum length (with max. Number of existing links removed) = 7″ (177.7 millimeters) suitable for large to extra large breeds (older puppies and adult age) such as the Labrador Retriever, German Shepherd, Rottweiler and Great Dane.
IMPORTANT NOTE: This product is for customers with more than one dog, so they can purchase extra equipment in addition to a complete Perfect Dog system. If you're a first time purchaser and you only have one dog, you will need a complete Perfect Dog system in order to obtain all of the necessary training items. Please review our catalog.