This extra strong chain-style collar is highly recommended for especially large, strong dog breeds. Great for all coat types. The medium sized links of this chain slide very well through the ring.

Herm Sprenger is one of the leading manufacturers of dog training products, best-known for their quality, reliability, and safety. All products are made in Germany, utilizing only the finest materials and components. Through their continuous quality control efforts over the past 140 years, Herm Sprenger’s training collars are recognized as one of the best training collars sold on the market today.

Sizes Available:

Gauge 5mm X 19" (48cm)
Gauge 5mm X 20" (51cm)
Gauge 5mm X 22" (57cm)
Gauge 5mm X 24" (60cm)
Gauge 5mm X 25" (64cm)
Gauge 5mm X 27" (68cm) 
Gauge 5mm X 29" (73cm)

To determine size: measure around the largest part of your dog's neck and then add 2 inches.