3M 1" Radial Bristle Discs Grit:80 Grit Yellow These three-stone round ring mountings

These three-stone round ring mountings are designed to showcase an 8 mm center stone flanked by two 5 mm round side stones

professional-grade testing

and careful use is essential to avoid edge damage

it is sized specifically for two-row configurations

) characteristic of the American pattern are part of this legacy

3M 1" Radial Bristle Discs Grit:80 Grit Yellow These three-stone round ring mountings3M Radial Bristle Discs are long lasting and highly effective polishing and finishing tools for jewelers and metalsmiths. Stack them on mandrels and use them like natural bristle brushes except there is no need to add polishing compound. The abrasive compound is built directly into the bristles. Sold in packs of 12 Beware of low cost imitations insist on genuine 3M Radial Bristle Discs These 1" diameter bristle discs are designed for use with 1 8"