The Herm Sprenger Choke Chain dog collars are the strongest choke chain
on the market. They are constructed of chrome-plated steel and made in Germany by Herm Sprenger. These Choke Chain dog collars are guaranteed not to break, tarnish, or rust. This choke chain collar
is constructed of butt welded links and rings to insure its durability.
Diameter: 4 mm.
Comes in the following sizes: 18, 20, 22, 24, 26, and 28 inches.Sizing Instructions:
For proper fit measure your dog's neck and add 3-4". Remember, for proper training too big is always better for choke chains than too small.