Otto Frei Professional Soldering Kit Gauges & Calipers Supplied in standard USA ring

Supplied in standard USA ring size 6

5 – Shallow Hart Bur 3

Because acetylene burns hotter and denser than propane

Their compact size makes them ideal for delicate necklaces

coat rolls with light oil or grease to prevent rust

Otto Frei Professional Soldering Kit Gauges & Calipers Supplied in standard USA ringOtto Frei Professional Soldering Kit is designed for the working jeweler or metalsmith who already owns a torch setup and needs a comprehensive collection of soldering specific equipment for a professional jewelry repair shop. This kit assumes the buyer has a torch system in place simply add your torch of choice and suitable solder material to be fully equipped for hard soldering. Hard soldering known as brazing in other industries is distinct from