This is a professional grade rock tumbling /polishing kit for a single use 15 pound tumbler, Or FIVE 3 Pound uses. This kit will polish up to fifteen pounds of rock to a Glass like finish. 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** **15 lbs. Of Stones** **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 Type Of Grit Per Three Pounds. Includes Free Polishing Directions and Measuring Chart This Kit contains enough grit to polish one batch of stones in a 15 lb. or 5 batches in a 3lb tumbler. The HIGH quality grits included are as follows: 16 Oz. Silicon Carbide 60/90 (Course Grind/1st Grind) 16 Oz. Silicon Carbide 120/220 (Medium Grind/2nd Grind) 8 Oz. Silicon Carbide 500F (Pre-Polish /3rd Grind) 8 Oz. Aluminum Oxide 1200 Fuzed (Final Polish/4th Grind) The Two Belts include are NON FACTORY Originals, but will fit the following Tumblers: Harbor Freight: Single or Double Thumbler's: A-R1, A-R2, A-R6, A-R12, Model B, MP-1, and Model T Lortone: 33B, 3-1.5, 45C, 3A,1.5 Please specify which belts you would like, two of the same or two different models at check out with or Paypal. Sale Is For One (1) Brand New Polish Grit Kit and Two(2) Drive Belts, NO Tumbler, No Other Parts, Just What is In The Pictures.