Otto Frei Professional Soldering Kit Gauges & Calipers Because acetylene burns hotter and

Because acetylene burns hotter and denser than propane

coat rolls with light oil or grease to prevent rust

5 – Shallow Hart Bur 3

734 (sold separately)

Otto Frei Professional Soldering Kit Gauges & Calipers Because acetylene burns hotter andOtto 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