Premium stainless steel P-chain collar designed for large breeds like Labradors and bully breeds. Heavy-duty 5mm marine-grade steel links resist rust and corrosion for outdoor use. Reinforced welded rings ensure secure leash attachment during high-intensity activities. Adjustable sliding mechanism provides customized fit without choking. Ideal for training, hiking, or equestrian use with horses. Mirror-polished surface prevents fur irritation while maintaining show-quality shine. Industrial-strength construction withstands 500lbs of pulling force. Packaged in wholesale quantities for commercial dog trainers and pet retailers.