smooth chain with small links 4 mm wire gauge the "live" rig glides smoothly along the chain for quick tightening and release cast O-rings with the Herm Sprenger quality stamp best for strong dogs of medium and large breeds for dogs that weigh up to 176 lbs (80 kg) collar’s weight varies depending on the size: 8.2 - 10 oz (234 - 284 g)
Steel with nickel and chromium plating: dual rust resistance suitable for wet conditions has a glossy surface contains nickel, so will not do for nickel-sensitive dogs recommended for dogs with dark coat - it may leave marks on light fur
wipe it with a damp cloth for more profound cleaning, use some water, a mild soap, and a brush with soft bristle dry with a soft natural cloth after wet cleaning keep it carefully to protect from scars, as a damaged surface may lose its rustproof properties