150MM Zinc Plate Jewelry Polishing Flat Lap Wheel, 6" Disc Lapping Polishing Disc Cooperate With Diamond Grinding Paste ,Power Tools

The new disc needs to be filled with water, rubbed from the ed of the disc with 80 grit sandpaper, and polished with 240 grit sandpaper. The zinc disc needs to be kept at a certain humidity and used with diamond grinding paste. Product Name: Zinc Plate Jewelry Polishing Flat Lap Wheel Diameter: 150MM (6") Aperture: 12.7MM Thickness: 10MM