Dean & Tyler Presents Herm Sprenger Original Choke Chain with Toggle 21" Length By 3mm Width - Chrome Plated - Great Quality Chain. Made in Germany. Limited Quantity - More Sizes Available (19", 21", 23", 25") They can be put on without dragging them over the dog&rsquo;s head. Easy to use, and you need less excess length. Excellent quality steel chains, chrome plated.