20 mandrels – 2.5-12mm diameter.
Supplied with base, mandrel & cutting disc. The jump ring maker allows you to make jump rings by using the hand winding Jacobs chuck and cutting with a #30 chuck hand piece on a flexible shaft motor.
A keyless jacobs style chuck for holding the mandrels is also provided in the set. Various steel rods like mandrels provided in different diameters to get the perfect sized jump ring. Dont forget we sell sterling silver wire too!