ZHaotn 150MM Zinc Plate Jewelry Gems Polishing Flat Lap Wheel 6" Disc Lapping Polishing Disc Cooperate With Diamond Grinding Paste

Diameter: 150MM (6") ; Aperture: 12.7MM ; Thickness: 10MM ; Package Contents: 1 pc This Aluminum Master Base Plate is designed as a machine accessory, it's act as a backer-disc sit into the Grinding Machine and the top face for place grinding papers/discs/pads. This Master Base pad is suitable for the Grinding Polishing Machine. This Aluminum master lap is Premium workmanship, accurate dimension, well made and plating, soften the sharp edges avoid hurt hand and for comfortable hold. Diamond coated flat lap disk grinding wheel can be installed on the aluminum master lap. So if you want to sharpening the gemstone or steel knives, you need purchase a diamond disk( Not included, need to purchase separately), and a aluminum master lap.