Lortone 4-piece, Rock Tumbling Abrasive and Polish Kit FREE SHIPPING WITHIN USA
It includes enough material to polish up 12 pounds of rock: Step 1 - Coarse (1-pound, 60/90 grit silicon carbide) Used for initial grinding and shaping of rough stone.
Step 2 - Medium/Fine (14 ounces, 120/220 grit silicon carbide) Used for smoothing stone surface...