Hinges and Hinge-Based Catches for Jewelers and Goldsmiths, Book 3D Manufacturing It saves time by helping

It saves time by helping to avoid unnecessary resizing due to inaccurate ring sizing

This torch includes a one-year warranty

Injector wax capacity: 6 lbs

• Draws 29-1/2" mercury (75cm) at sea level

This 14-karat yellow gold charm features an open key brightly finished on both sides

Hinges and Hinge-Based Catches for Jewelers and Goldsmiths, Book 3D Manufacturing It saves time by helpingExplore hinges and hinge like mechanisms in a thorough, wide ranging, straoght forward analysis by one of the best. This easy to read volume, written by Charles Lewton Brain, includes an extensive discussion of the history, generics, classes of hinges and guiding principles. Troubleshoot design issues and learn tube making, hinge pin types, lubrication options and more.