... 1.mainly used for polishing crystal, agate, jewel and jade. >2.smoothly, good burnish,long life Quick Details Place ... Material: OtherFinishing: Diamondusage: polishing Crystal, Agate, Jewel and Jade...Packaging & Delivery Packaging Detail:cartons or plywood box.Delivery ... paymentSpecificationsPolishing Laps Mainly used for polishing Crystal, Agate, Jewel and Jade.Diameter: 6", 8".Arbor: 1/2".Grit: 80 ...