Complete Rock Tumbler Grit Turning Media Kit: 4 Lb. 4-step Rock Polishing Grit Set To Polish Any Rock. 
Designed With A Thickened Bottle rock polisher tumbler kit adult grit for rock tumbler, It Is More Sturdy And Durable For Easy Storage. 
Step 1: 1 pound of 60# silicon carbide grit with one spoon included,Step 2: 1 lb 220# rock tumbler grit,Step 3: 1 pound of 500#(grit for rock tumbler content is over 99%),Step 4: 1 lb. 1200# Aluminum Oxide Polishing Grit for final polishing with 99%+ content. 
Compatible with all brands of rock tumbler,rock tumbler for adults,rock polisher tumbler kit for kids,rock tumbler rock tumbler supplies,corn cob media