6 LBS Large Weight 4 Step Rock Tumbler grit Set, Tumbling Media Refill-coarse Medium grit Pre-Polished Final Polish, Works with Any Rock Tumbler, Rock Polisher, Stone PolisherThe Professional Rock Tumbler Refill grit Media Kit Includes: 2 lbs 60 coarse Silicon carbide grit 2 lbs 220 Medium Silicon ..