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Action of Borax in Slags
Inorganic Concentration (fire assay)
The weight of each bar depends on what metal your working with and how full you fill the cavity
This kit contains
This custom mold is as you can see made in the shape of the State of Oregon
"Lightening" Nature 3/16"-5mm-Stamp-Metal-Hardened Steel-Gold&Silver Bars testing Action of Borax in SlagsHardened steel with precise cut designs. Laser engraved design clearly marked on square shaft. Overall length 2 3 4" Design size approximately 5mm 3 16" Please note, the photos are stock photos to show how the stamp is labeled and the size. Ruler is not included and this ad is just for the stamp in the title and shown in the photo with the Green background
