Pen Blank Jaws, square hole inside for Viper3 Chuck.
Set of 4 optional jaws for our Viper3 scroll chuck. These pen blank jaws are dovetailed on the outside. The internal edge is V shaped, forming a square when closed, perfect for gripping square or round pen blanks. The jaws project 56mm from the base plate.
Jaws for the Viper3 are compatible with the following chucks: