62d8fc41c231c976e97bfd76NTI EpsiPol Precious Alloy Pre-Polisher Brown RA P0032 243 050 - Pack 12https://www.gunz.co.nz/s/62cbbdfb14348300a8ff835e/62d8fc44c231c976e97bfd98/nti-p0032.jpgPrecious Alloys. For all precious and semi - precious alloys and composites, brown = for abrasive work and pre-polishing.NTI-P0032