Price and other details may vary based on product size and color. Mini Table Saws DIY Jewelry Lapidary Equipment, 110V Benchtop Buffer Rock Grinder Polishing Machine 010000r/min with Flexible Shaft. out of 5 stars 118. 159. 99. Get it as soon as Mon, Aug 30. FREE Shipping by Amazon. More Buying Choices (3 used new offers) Upgraded Gem Faceting Machine Lapidary Ddigital ...