Covington 320 Graded Silicon Carbide Grit is a medium-fine grit with uniform particle size, for smoothing stones after coarser stages.
It is baked longer for durability and rates 9 on the Mohs scale. Sold in 1 lb, 5 lb and 50 lb sizes.
Key features:
| Sizes | 1 lb, 5 lb, 50 lb |
| Warranty |