Media fills space in the barrel, cushions the stones and helps carry polish.
7 products
7 products from Covington Engineering, priced from $3.25 to $15.25.







Plastic pellets cushion stones and carry polish during the final stage, walnut shell is used for drying and polishing, and steel shot is commonly used to burnish metal and jewelry. Ceramic media is used for deburring and finishing. Choose media for the job, not just the price.