This is a FIVE Pack professional grade rock tumbling /polishing kit for a single use 3 pound tumbler. This kit will polish up to fifteen pounds of rock to a Glass like finish. This Kit Has 20 Pre-measured Packets, No Need To Measure, And No Mess. This Kit works best for quartz, jasper, agates, Apache tears and similar stones. This kit also contains TWO drive belt replacements for uninterrupted polishings. **This Kit Will Polish** **3lbs. Of Stones, Five Times** **To A Mirror Like Finish** Don't Be Fooled By Others Grits On The Market That Offer Larger Quantities of Grit, This Is The Correct Amount Needed For High Quality Grit, If You Purchase Lower Quality Grit, You Will Need To Purchase Up To 4 Oz. Of Each. Includes Free Polishing Directions and Measuring Chart This Kit contains enough grit to polish Five batches of stones in a 3 lb. tumbler. The HIGH quality grits included are as follows: 5- 3 Oz. Silicon Carbide 60/90 (Course Grind/1st Grind) 5- 3 Oz. Silicon Carbide 120/220 (Medium Grind/2nd Grind) 5- 1.5 Oz. Silicon Carbide 500F (Pre-Polish /3rd Grind) 5- 1.5 Oz. Aluminum Oxide 1200 Fuzed (Final Polish/4th Grind) The Two Belts include are NON FACTORY Originals,THEY ARE BETTER Harbor Freight: Single or Double Sale Is For One (1) Brand New Five Pack Polish Grit Kit (20 individual packs) and Two(2) Drive Belts, NO Tumbler, No Other Parts, Just What is In The Pictures.