TWIST-BAR TWIST-BAR EXCLUSIVE TO ART DRIVER.
Its spiral cutting system (exclusive) allows the bar to contract on its own axis, which at the same time has a self-thrust towards its original shape, this allows you to work better and smoother when shading, color and lines. Fully certified and tested by the best artists.
It is recommended for use with the ZeroG pulley.
A set of wrenches is included with the purchase of the Twis-Bar together with the ZeroG pulley.