Size of collars: 22 inch 29 inch 16 inch 20 inch 24 inch 26 inch 31 inch 21 inch 28 inch 33 inch 39 inch 18 inch 30 inch 35 inch 32 inch 37 inch 17 inch 34 inch 40 inch 19 inch 23 inch 25 inch 36 inch 27 inch 38 inch
Size of muzzle: R3 6L B1 BT D3 J2 1 R1 R4 9 B3.5 OB3 12 R2 2 5 B0 0 R3.5 3 7 B2 OB1 10 4 B4 OB4 13 R2L 6 B0.5 D2 J1 R0 R3L 3.5 8 B3 OB2 11 R1L 4L D1
Use: Vet visit For working dogs Tracking Police/Military K9 training Walking and daily use Training Agitation/Attack training