EcoTools Dual Interchangeable Brush Handles:
Complete your range of Ecotools brushes with interchangeable handles.
These handles allow you to switch heads, so you can get all the brushes you need with just one handle.
The set has a large knob which is the green and a small knob which is the blue, so that you can adjust all the heads in the set.
Perfect for use at home or on the go