RUBY STONES

Ruby Stone bench stones are made of pure synthetic ruby crystals. They have excellent wear resistance and are well suited for sharpening your carbide gravers and tools. These high quality bench stones are a popular choice for the sharpening and flattening of hard metals, glass, quartz and porcelain.

May be used with or without sharpening oil

Contains one of each of the following ruby stones:

Triangular Ruby Stone..... 4" x 3/8" Medium
Square Ruby Stone......... 4" x 3/8" Medium
Flat Ruby Stone.............. 4" x 5/16" x 1/4" Fine
Half Round Ruby Stone.... 4" x 3/8" Coarse
Round Ruby Stone........... 4" x 1/4" Medium

5 piece Ruby Stone bench stone kit