SUPER SAFE - Suitable for medium to large dogs and adult cats. Dog tag clips are tested by dogs that roll, run, jump or fetch and their ID tags will always stay securely in place. HIGH QUALITY - Versatile alloy quick clips and rings zinc. This means it will never tarnish, rust or be stronger than other alloy materials, so your dog will never lose their ID tag again. EASY TO USE - Quickly move the dog tag between collars with ease, perfect for dogs and cats! Cut: Cut: 3.8x1.6CM Thickness: 3MM Weight: 4.5 kg Packing list: 2 hooks. We only sell hooks, not other items in the picture. Due to the differences between different monitors, the pictures may not reflect the color actual item. Due to manual measurement, please allow slight errors in size.