Herm Sprenger Black Stainless Steel Prong Dog Training Collar with Quick Release Buckle Ultra-Plus Pet Pinch Collar No-Pull Collar for Dogs Made in Germany 3.2mm x 20in Medium

20" (3.2mm) - Black Stainless Steel Prong Collar Removable Links Measure the circumference of dog's neck and add 2 inches Made In Germany Highest Quality Gauranteed Not To Rust