Herm Sprenger Toggle Chains are made for the perfect fit. These are made to fit around the dog's neck instead of having to go over the head. Steel Chrome-plated.
This is also known as a whale tale.
Measurement is from end to end. Neck size to fit approximately 1-1.5" less than the size for collar.
14" and 16" are 2.0mm
18" and 20" are 2.5mm
22", 24" and 26" are 3.0mm