Otto Frei Professional Soldering Kit Gauges & Calipers Their compact size makes them

Their compact size makes them ideal for delicate necklaces

Because acetylene burns hotter and denser than propane

coat rolls with light oil or grease to prevent rust

Unlike the GRS 104

Otto Frei Professional Soldering Kit Gauges & Calipers Their compact size makes themOtto 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