Specially formulated and easy to use design for the Harbor Freight Rock Tumbler. You get one full set, four bags of rock tumbling grit and polish. Each kit contains Grade A tumbling grit and polish as used by gemstone industry professionals, to tumble rocks in your Harbor Freight rock tumbler and bring them to a gem like finish.
The tumbling process for rocks uses a four step process and these abrasive and polishing materials.
Each kit contains the following four items.
One 3 Ounce package coarse Silicon Carbide (60/90 grit) used in Step 1
One 3 Ounce package medium Silicon Carbide (120/220 grit) used in Step 2
One 1.5 Ounce package Aluminum Oxide 500 Pre-Polish (500) used in Step 3
One 1.5 Ounce package polish Aluminum Oxide (Fine micron sized) used in Step 4
Remember, each of the above items is pre-measured for you convenience, making it easy to get the measurements right. This kit contains grit and polish only.
The abrasive media is shipped in separate plastic resealable bags
