Durston 1312 Quad Jump Ringer Donnegan this timer also works with

this timer also works with Best Built ultrasonics and many other ultrasonic cleaner brands

Overall length of this strip ingot mold is 15"

8mm wide by 0

Peel-and-seal closure for easy

Durston 1312 Quad Jump Ringer Donnegan this timer also works withThe Durston 1312 Quad Jump Ringer is a professional jump ring making machine designed for jewelers and metalsmiths who need to mass produce jump rings efficiently. Compatible with a Foredom No. 30 style handpiece and flex shaft machine, this system lets you produce jump rings from soft, non ferrous jewelry wire including gold, copper, and silver. Wire as thick as 13 gauge (1. 85 mm) can be used, and the inside diameter of finished rings ranges from 2.