Our Four-Step Grit Kit is maximized to tumble a wide variety of rough rock -- from soft to hard -- and contains enough grit to tumble 10-14 lbs. of stones.
Mama's Minerals brand 500 lapping grade Silicon carbide abrasive. Perfect for the third tumbling step with softer rocks and used for fine lapping. Our grit is a fine grain mesh of superior virgin materials. 1 lbs. 500 grit will tumble approx. 10 lbs. of r
Mama's brand Plastic Pellets are an excellent filler or cushion in the tumbler, typically used in the pre-polish (step 3) and polish (step 4) stages of the rotary tumbling process. These pellets float off for easy separation and can be reused over and ove
