134-594: 6mm diameter, 120cm length. Toy poodle, Chihuahua, Yorkshire terrier, Pomeranian etc
134-593: 8mm diameter, 95cm length. Border Terrier, French Bulldog, Cocker Spaniel, Beagle etc
134-595: 12mm diameter, 65cm length. Collie, Labrador, German Shepherd, Great Dane etc