Introducing our innovative Herm Sprenger Improved Design Dog Training Collar, meticulously engineered for precise correction and pull limitation to optimize your training sessions. This unique collar boasts prongs of the same size as our 2.25mm wire gauge, yet with the enhanced strength of a 3mm gauge, ensuring effective training with unparalleled durability. Crafted from high-quality black stainless steel, this collar not only offers exceptional durability but also exudes a sleek and stylish appearance. Its rust-resistant properties ensure long-lasting strength, maintaining its effectiveness even in challenging conditions. Enjoy a customized fit with our adjustable design, accommodating dogs with neck sizes up to 18 inches. For larger neck sizes, additional middle links are required. Please note that due to the new unique design, standard middle links are not compatible, and specific links designed for this model must be used for adjustments. Trusted by professionals worldwide, this collar is meticulously engineered to distribute pressure evenly, providing safe behavioral correction without the risk of choking. Its humane effectiveness in training has earned the trust of dog trainers and veterinarians alike. Crafted with pride in Germany by Herm Sprenger, you can trust in the highest quality and durability with every collar manufactured. Experience the precision of German craftsmanship and elevate your training sessions with confidence and reliability.