Durston 1312 Quad Jump Ringer Ring Sizers & Stretchers Includes sealing gasket for proper

Includes sealing gasket for proper boiler housing seal

smaller version (STH-1) and a heavier

5 mm Faceted Round 2 Topaz White

The included lenses function as polarizing elements and light diffusers

Durston 1312 Quad Jump Ringer Ring Sizers & Stretchers Includes sealing gasket for properThe 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.