Collar size: 20 inches (51 cm) 16 inches (40 cm) 18 inches (46 cm) 22 inches (56 cm) 24 inches (61 cm) 26 inches (66 cm) 28 inches (71 cm) 30 inches (76 cm)
Use: Weight pulling Agitation Training Sledding Protective guard service Bite training Sport Walking and daily use For working dogs For aggressive dogs