The Herm. Sprenger ULTRA-PLUS Black Stainless Dog Training Collar with Center Plate and Assembly Chain and 2 Rings is a professional-grade tool designed for effective dog training. Made from high-quality stainless steel, this collar features a sleek black color while providing the strength needed for dogs of different sizes. The center-plate assembly ensures even pressure distribution, enhancing the collar's effectiveness while maintaining your dog's comfort. Ideal for both training and everyday use, this collar combines durability, functionality, and style.