The very popular Extension Clicker's Handle two knife set, the set comes with 1 x Black Handle and 1 x Red handle. Traditonally the Black knife is used for the templates... the Red knife is used for the leather
 
This unique leather craft tool is designed so that the user can interchange knife blades and also adjust the chosen blade to a length that suits the leather working task
 
The engraved ferruel is twisted to release the steel gripping jaws so that the blade can be adjusted, the blade can also be reversed into the handle for safety
 
The set comes either just the two handles on their own or with a choice of bevel or curved blade