Durston 1312 Quad Jump Ringer Kerr where the craft of producing

where the craft of producing high-quality jewelers' tools has been passed down from generation to generation

Die-struck construction for superior metal density and sharp detail

Made from solid brass

The belcher chain — also known as a rolo chain

Durston 1312 Quad Jump Ringer Kerr where the craft of producingThe 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.