Pet parents, get ready to train your furry friend with the Herm Sprenger Ultra-Plus Training Dog Prong Collar. This paw-some tool is safe, practical, and easy to use for effective training. It features a solid fastener plate that creates a secure connection, making it easier and safer to fasten around your pup's neck. You can also adjust the size by adding or removing individual links. The patented center plate construction and symmetrical prong placement provide natural contact for optimal communication between you and your four-legged friend. This collar is great for walking strong pullers, large dogs and for obedience training and behavior correction. To determine the right size for your pup, simply add four inches to their neck measurement. And if he needs a larger size, replacement links are available (sold separately). Get ready to train your pup like a pro with this paw-some collar.