OttoTech Pickle-Granular Dry Acid Compound-For Non Ferrous Metals Earring Mountings 925 silver

925 silver

78 mm (3") 1 Doming punch Extra-large steel doming punch

or Hydrogen

BioSpring® adjustable return spring — reduces spring tension during work to lessen fatigue and improve comfort

OttoTech Pickle-Granular Dry Acid Compound-For Non Ferrous Metals Earring Mountings 925 silverOttoTech Pickle is a high grade granular dry acid compound formulated for pickling, cleaning, and removing surface oxidation and fire scale from gold, silver, and other non ferrous metals. Composed primarily of sodium bisulfate the same active ingredient found in Sparex No. 2 OttoTech Pickle delivers superior cleaning performance in a safe to ship dry form. For best results, use at 125F. Available in three sizes to suit studio, bench, and production