Otto Frei Starter Soldering Kit Quatro with each punch corresponding to

with each punch corresponding to a matching form on the flat block

serial numbers 18063 and lower — 3rd-stage filter

Effective for both raising (metal compression) and embossing (metal stretching) techniques

Made from natural Arkansas black novaculite – quarried and cut in the USA

add thin strips of soft leather to both sides of each jaw

Otto Frei Starter Soldering Kit Quatro with each punch corresponding toThe Otto Frei Starter Soldering Kit brings together all the essential tools and materials needed to begin hard soldering in jewelry making. Hard soldering known as brazing in other industries is performed with a torch at temperatures starting at approximately 1500F, using silver or gold solders. It is distinct from low temperature soft soldering done with soldering irons and tin or lead solders. This starter kit contains nearly the same items found in