There are no rough edges or sharp points to snag on fur or scratch the skin. The chain is made from treated silver metal that prevents discolouration and rust. The 55cmcm choke chain assists with the control of temperamental Dog's that tend to pull. This metal choke chain collar from Flamingo has a smooth finish. The choke chain assists with the control of temperamental Dog's when required.| * Dimensions: 40mm (thickness) | * 55 cm (length) | * Colour: Silver