✨ Turn Rocks into Riches with Every Tumble! Explore 9 stunning varieties, from Amethyst to Tiger Eye, each with unique beauty. Achieve the perfect polish with 4 distinct grit levels tailored for every stage. Shop with confidence—100% money-back guarantee if you're not dazzled! Seamlessly fits all rock tumblers, making it the ultimate choice for enthusiasts. Unleash your inner gemologist with our Mega Rock Tumbler Refill Kit! 9 Gem Varieties Jewelry Fasteners 4 Grit Levels The Dan&Darci Mega Rock Tumbler Refill Kit includes 0.5 lb of assorted gemstones, 4 grit levels for polishing, and jewelry fasteners, making it compatible with all rock tumblers. Perfect for hobbyists and professionals alike, this kit guarantees satisfaction with a money-back promise.