Dogline Herm Sprenger - ULTRA-PLUS Training Collar with Center-Plate and ClicLock - Black Stainless Steel Size:Gauge 4mm x 24" (60cm) Heats up in under 50

Heats up in under 50 seconds for instant warmth

patented Lightning™ Series air chuck line

The product page notes a moisture-resistant

This leather - the highest quality available - will patina and only look better with time

Dogline Herm Sprenger - ULTRA-PLUS Training Collar with Center-Plate and ClicLock - Black Stainless Steel Size:Gauge 4mm x 24" (60cm) Heats up in under 50This base model with one ring is safe and easy to apply due to the ClicLock and offers a quick and pinpoint influence on the dog. 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 Sprengers training collars