What are the advantages of the collar number DUO compared to conventional collar numbers?
The DUO collar number offers a number of advantages over [...]
If I lose a retaining pin, where can I get a replacement?
The retaining pins are designed in such a way that [...]
How does the exchange of numbers on the collar work?
The collar number DUO is out of two parts. The [...]
What do the different colors of the collar number DUO mean?
The collar number DUO has a color code. This means [...]
Can I use the usual collars with collar number DUO?
The collar number DUO is used with the common collars. [...]
What are the dimensions of collar number DUO?
The format of the collar number DUO is 54 x [...]