This is 220 mesh SiC for Rotary Stage 2 & Vibratory Stage 1. It is a high quality, hard powder that re-sharpens itself as it breaks down in the tumbler. Shipped in a 1-pint plastic...
This is 1000 mesh SiC for soft rocks in Rotary Stage 4 & Vibratory Stage 3 (It takes the place of a "pre-polish" when tumbling soft rocks). It is a high quality, hard powder that...