Ideal for the following applications: Polishing and grinding of gemstones and glass. Glass will require specific instructions. When polishing gemstones you will require abrasive Silicon Carbide & Tumble Polish, please see our grit selection. When burnishing ammunition casings you would require Stainless Steel Shot and Burnishing Compound.
 
Single 4lb Barrel 
​5 Cup Capacity 
20mm x 40mm max rock size.