4 step grit set with instructions for use in a 15 pound tumbler, or 5 3lb tumbles
1 pound 60/90 Coarse Silicon Carbide Grit
1 pound 120/220 Medium Silicon Carbide
1/2 pound 500 Fine (pre polish) Silicon Carbide Grit
1/2 pound 1200 Aluminum Oxide Polish
Professional quality Grit, MADE IN AMERICA. Highest quality abrasive available. For use in ALL Rotary Tumblers, and Vibratory. Includes a step by step polishing directions, with grit measurement chart for all popular tumblers.